diff --git a/module3/exo3/exercice.ipynb b/module3/exo3/exercice.ipynb
index b2cb2ea31dc243fce28b6daf5d257b9b6d35b25a..1ec494799b15e2d73d43f9421cb1ea7331e5e5db 100644
--- a/module3/exo3/exercice.ipynb
+++ b/module3/exo3/exercice.ipynb
@@ -64,8 +64,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
-   "metadata": {},
+   "execution_count": 41,
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [
     {
      "data": {
@@ -88,19 +90,6 @@
        "  <thead>\n",
        "    <tr style=\"text-align: right;\">\n",
        "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "    </tr>\n",
-       "  </thead>\n",
-       "  <tbody>\n",
-       "    <tr>\n",
        "      <th>Yr</th>\n",
        "      <th>Mn</th>\n",
        "      <th>Date</th>\n",
@@ -110,754 +99,945 @@
        "      <th>fit</th>\n",
        "      <th>seasonally</th>\n",
        "      <th>CO2</th>\n",
-       "      <td>seasonally</td>\n",
+       "      <th>seasonally</th>\n",
        "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
        "    <tr>\n",
-       "      <th rowspan=\"2\" valign=\"top\"></th>\n",
-       "      <th rowspan=\"2\" valign=\"top\"></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th></th>\n",
-       "      <th>adjusted</th>\n",
-       "      <th></th>\n",
-       "      <th>adjusted fit</th>\n",
-       "      <th>filled</th>\n",
+       "      <th>0</th>\n",
+       "      <td></td>\n",
+       "      <td></td>\n",
+       "      <td></td>\n",
+       "      <td></td>\n",
+       "      <td></td>\n",
+       "      <td>adjusted</td>\n",
+       "      <td></td>\n",
+       "      <td>adjusted fit</td>\n",
+       "      <td>filled</td>\n",
        "      <td>adjusted filled</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>Excel</th>\n",
-       "      <th></th>\n",
-       "      <th>[ppm]</th>\n",
-       "      <th>[ppm]</th>\n",
-       "      <th>[ppm]</th>\n",
-       "      <th>[ppm]</th>\n",
-       "      <th>[ppm]</th>\n",
+       "      <th>1</th>\n",
+       "      <td></td>\n",
+       "      <td></td>\n",
+       "      <td>Excel</td>\n",
+       "      <td></td>\n",
+       "      <td>[ppm]</td>\n",
+       "      <td>[ppm]</td>\n",
+       "      <td>[ppm]</td>\n",
+       "      <td>[ppm]</td>\n",
+       "      <td>[ppm]</td>\n",
        "      <td>[ppm]</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th rowspan=\"12\" valign=\"top\">1958</th>\n",
-       "      <th>01</th>\n",
-       "      <th>21200</th>\n",
-       "      <th>1958.0411</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>2</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>01</td>\n",
+       "      <td>21200</td>\n",
+       "      <td>1958.0411</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>02</th>\n",
-       "      <th>21231</th>\n",
-       "      <th>1958.1260</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>3</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>02</td>\n",
+       "      <td>21231</td>\n",
+       "      <td>1958.1260</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>03</th>\n",
-       "      <th>21259</th>\n",
-       "      <th>1958.2027</th>\n",
-       "      <th>315.70</th>\n",
-       "      <th>314.44</th>\n",
-       "      <th>316.18</th>\n",
-       "      <th>314.90</th>\n",
-       "      <th>315.70</th>\n",
+       "      <th>4</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>03</td>\n",
+       "      <td>21259</td>\n",
+       "      <td>1958.2027</td>\n",
+       "      <td>315.70</td>\n",
+       "      <td>314.44</td>\n",
+       "      <td>316.18</td>\n",
+       "      <td>314.90</td>\n",
+       "      <td>315.70</td>\n",
        "      <td>314.44</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>04</th>\n",
-       "      <th>21290</th>\n",
-       "      <th>1958.2877</th>\n",
-       "      <th>317.45</th>\n",
-       "      <th>315.16</th>\n",
-       "      <th>317.29</th>\n",
-       "      <th>314.98</th>\n",
-       "      <th>317.45</th>\n",
+       "      <th>5</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>04</td>\n",
+       "      <td>21290</td>\n",
+       "      <td>1958.2877</td>\n",
+       "      <td>317.45</td>\n",
+       "      <td>315.16</td>\n",
+       "      <td>317.29</td>\n",
+       "      <td>314.98</td>\n",
+       "      <td>317.45</td>\n",
        "      <td>315.16</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>05</th>\n",
-       "      <th>21320</th>\n",
-       "      <th>1958.3699</th>\n",
-       "      <th>317.51</th>\n",
-       "      <th>314.71</th>\n",
-       "      <th>317.86</th>\n",
-       "      <th>315.06</th>\n",
-       "      <th>317.51</th>\n",
+       "      <th>6</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>05</td>\n",
+       "      <td>21320</td>\n",
+       "      <td>1958.3699</td>\n",
+       "      <td>317.51</td>\n",
+       "      <td>314.71</td>\n",
+       "      <td>317.86</td>\n",
+       "      <td>315.06</td>\n",
+       "      <td>317.51</td>\n",
        "      <td>314.71</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>06</th>\n",
-       "      <th>21351</th>\n",
-       "      <th>1958.4548</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>317.24</th>\n",
-       "      <th>315.14</th>\n",
-       "      <th>317.24</th>\n",
+       "      <th>7</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>06</td>\n",
+       "      <td>21351</td>\n",
+       "      <td>1958.4548</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>317.24</td>\n",
+       "      <td>315.14</td>\n",
+       "      <td>317.24</td>\n",
        "      <td>315.14</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>07</th>\n",
-       "      <th>21381</th>\n",
-       "      <th>1958.5370</th>\n",
-       "      <th>315.86</th>\n",
-       "      <th>315.19</th>\n",
-       "      <th>315.86</th>\n",
-       "      <th>315.21</th>\n",
-       "      <th>315.86</th>\n",
+       "      <th>8</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>07</td>\n",
+       "      <td>21381</td>\n",
+       "      <td>1958.5370</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>315.19</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>315.21</td>\n",
+       "      <td>315.86</td>\n",
        "      <td>315.19</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>08</th>\n",
-       "      <th>21412</th>\n",
-       "      <th>1958.6219</th>\n",
-       "      <th>314.93</th>\n",
-       "      <th>316.19</th>\n",
-       "      <th>313.99</th>\n",
-       "      <th>315.28</th>\n",
-       "      <th>314.93</th>\n",
+       "      <th>9</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>08</td>\n",
+       "      <td>21412</td>\n",
+       "      <td>1958.6219</td>\n",
+       "      <td>314.93</td>\n",
+       "      <td>316.19</td>\n",
+       "      <td>313.99</td>\n",
+       "      <td>315.28</td>\n",
+       "      <td>314.93</td>\n",
        "      <td>316.19</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>09</th>\n",
-       "      <th>21443</th>\n",
-       "      <th>1958.7068</th>\n",
-       "      <th>313.21</th>\n",
-       "      <th>316.08</th>\n",
-       "      <th>312.45</th>\n",
-       "      <th>315.35</th>\n",
-       "      <th>313.21</th>\n",
+       "      <th>10</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>09</td>\n",
+       "      <td>21443</td>\n",
+       "      <td>1958.7068</td>\n",
+       "      <td>313.21</td>\n",
+       "      <td>316.08</td>\n",
+       "      <td>312.45</td>\n",
+       "      <td>315.35</td>\n",
+       "      <td>313.21</td>\n",
        "      <td>316.08</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>10</th>\n",
-       "      <th>21473</th>\n",
-       "      <th>1958.7890</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>312.43</th>\n",
-       "      <th>315.40</th>\n",
-       "      <th>312.43</th>\n",
+       "      <th>11</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>10</td>\n",
+       "      <td>21473</td>\n",
+       "      <td>1958.7890</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>312.43</td>\n",
+       "      <td>315.40</td>\n",
+       "      <td>312.43</td>\n",
        "      <td>315.40</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>11</th>\n",
-       "      <th>21504</th>\n",
-       "      <th>1958.8740</th>\n",
-       "      <th>313.33</th>\n",
-       "      <th>315.20</th>\n",
-       "      <th>313.61</th>\n",
-       "      <th>315.46</th>\n",
-       "      <th>313.33</th>\n",
+       "      <th>12</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>11</td>\n",
+       "      <td>21504</td>\n",
+       "      <td>1958.8740</td>\n",
+       "      <td>313.33</td>\n",
+       "      <td>315.20</td>\n",
+       "      <td>313.61</td>\n",
+       "      <td>315.46</td>\n",
+       "      <td>313.33</td>\n",
        "      <td>315.20</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>12</th>\n",
-       "      <th>21534</th>\n",
-       "      <th>1958.9562</th>\n",
-       "      <th>314.67</th>\n",
-       "      <th>315.43</th>\n",
-       "      <th>314.76</th>\n",
-       "      <th>315.51</th>\n",
-       "      <th>314.67</th>\n",
+       "      <th>13</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>12</td>\n",
+       "      <td>21534</td>\n",
+       "      <td>1958.9562</td>\n",
+       "      <td>314.67</td>\n",
+       "      <td>315.43</td>\n",
+       "      <td>314.76</td>\n",
+       "      <td>315.51</td>\n",
+       "      <td>314.67</td>\n",
        "      <td>315.43</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th rowspan=\"12\" valign=\"top\">1959</th>\n",
-       "      <th>01</th>\n",
-       "      <th>21565</th>\n",
-       "      <th>1959.0411</th>\n",
-       "      <th>315.58</th>\n",
-       "      <th>315.54</th>\n",
-       "      <th>315.62</th>\n",
-       "      <th>315.57</th>\n",
-       "      <th>315.58</th>\n",
+       "      <th>14</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>01</td>\n",
+       "      <td>21565</td>\n",
+       "      <td>1959.0411</td>\n",
+       "      <td>315.58</td>\n",
+       "      <td>315.54</td>\n",
+       "      <td>315.62</td>\n",
+       "      <td>315.57</td>\n",
+       "      <td>315.58</td>\n",
        "      <td>315.54</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>02</th>\n",
-       "      <th>21596</th>\n",
-       "      <th>1959.1260</th>\n",
-       "      <th>316.49</th>\n",
-       "      <th>315.86</th>\n",
-       "      <th>316.26</th>\n",
-       "      <th>315.63</th>\n",
-       "      <th>316.49</th>\n",
+       "      <th>15</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>02</td>\n",
+       "      <td>21596</td>\n",
+       "      <td>1959.1260</td>\n",
+       "      <td>316.49</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>316.26</td>\n",
+       "      <td>315.63</td>\n",
+       "      <td>316.49</td>\n",
        "      <td>315.86</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>03</th>\n",
-       "      <th>21624</th>\n",
-       "      <th>1959.2027</th>\n",
-       "      <th>316.65</th>\n",
-       "      <th>315.38</th>\n",
-       "      <th>316.97</th>\n",
-       "      <th>315.69</th>\n",
-       "      <th>316.65</th>\n",
+       "      <th>16</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>03</td>\n",
+       "      <td>21624</td>\n",
+       "      <td>1959.2027</td>\n",
+       "      <td>316.65</td>\n",
+       "      <td>315.38</td>\n",
+       "      <td>316.97</td>\n",
+       "      <td>315.69</td>\n",
+       "      <td>316.65</td>\n",
        "      <td>315.38</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>04</th>\n",
-       "      <th>21655</th>\n",
-       "      <th>1959.2877</th>\n",
-       "      <th>317.72</th>\n",
-       "      <th>315.42</th>\n",
-       "      <th>318.08</th>\n",
-       "      <th>315.76</th>\n",
-       "      <th>317.72</th>\n",
+       "      <th>17</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>04</td>\n",
+       "      <td>21655</td>\n",
+       "      <td>1959.2877</td>\n",
+       "      <td>317.72</td>\n",
+       "      <td>315.42</td>\n",
+       "      <td>318.08</td>\n",
+       "      <td>315.76</td>\n",
+       "      <td>317.72</td>\n",
        "      <td>315.42</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>05</th>\n",
-       "      <th>21685</th>\n",
-       "      <th>1959.3699</th>\n",
-       "      <th>318.29</th>\n",
-       "      <th>315.49</th>\n",
-       "      <th>318.65</th>\n",
-       "      <th>315.84</th>\n",
-       "      <th>318.29</th>\n",
+       "      <th>18</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>05</td>\n",
+       "      <td>21685</td>\n",
+       "      <td>1959.3699</td>\n",
+       "      <td>318.29</td>\n",
+       "      <td>315.49</td>\n",
+       "      <td>318.65</td>\n",
+       "      <td>315.84</td>\n",
+       "      <td>318.29</td>\n",
        "      <td>315.49</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>06</th>\n",
-       "      <th>21716</th>\n",
-       "      <th>1959.4548</th>\n",
-       "      <th>318.15</th>\n",
-       "      <th>316.03</th>\n",
-       "      <th>318.04</th>\n",
-       "      <th>315.93</th>\n",
-       "      <th>318.15</th>\n",
+       "      <th>19</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>06</td>\n",
+       "      <td>21716</td>\n",
+       "      <td>1959.4548</td>\n",
+       "      <td>318.15</td>\n",
+       "      <td>316.03</td>\n",
+       "      <td>318.04</td>\n",
+       "      <td>315.93</td>\n",
+       "      <td>318.15</td>\n",
        "      <td>316.03</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>07</th>\n",
-       "      <th>21746</th>\n",
-       "      <th>1959.5370</th>\n",
-       "      <th>316.54</th>\n",
-       "      <th>315.86</th>\n",
-       "      <th>316.67</th>\n",
-       "      <th>316.02</th>\n",
-       "      <th>316.54</th>\n",
+       "      <th>20</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>07</td>\n",
+       "      <td>21746</td>\n",
+       "      <td>1959.5370</td>\n",
+       "      <td>316.54</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>316.67</td>\n",
+       "      <td>316.02</td>\n",
+       "      <td>316.54</td>\n",
        "      <td>315.86</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>08</th>\n",
-       "      <th>21777</th>\n",
-       "      <th>1959.6219</th>\n",
-       "      <th>314.80</th>\n",
-       "      <th>316.06</th>\n",
-       "      <th>314.82</th>\n",
-       "      <th>316.12</th>\n",
-       "      <th>314.80</th>\n",
+       "      <th>21</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>08</td>\n",
+       "      <td>21777</td>\n",
+       "      <td>1959.6219</td>\n",
+       "      <td>314.80</td>\n",
+       "      <td>316.06</td>\n",
+       "      <td>314.82</td>\n",
+       "      <td>316.12</td>\n",
+       "      <td>314.80</td>\n",
        "      <td>316.06</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>09</th>\n",
-       "      <th>21808</th>\n",
-       "      <th>1959.7068</th>\n",
-       "      <th>313.84</th>\n",
-       "      <th>316.73</th>\n",
-       "      <th>313.31</th>\n",
-       "      <th>316.21</th>\n",
-       "      <th>313.84</th>\n",
+       "      <th>22</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>09</td>\n",
+       "      <td>21808</td>\n",
+       "      <td>1959.7068</td>\n",
+       "      <td>313.84</td>\n",
+       "      <td>316.73</td>\n",
+       "      <td>313.31</td>\n",
+       "      <td>316.21</td>\n",
+       "      <td>313.84</td>\n",
        "      <td>316.73</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>10</th>\n",
-       "      <th>21838</th>\n",
-       "      <th>1959.7890</th>\n",
-       "      <th>313.33</th>\n",
-       "      <th>316.33</th>\n",
-       "      <th>313.32</th>\n",
-       "      <th>316.30</th>\n",
-       "      <th>313.33</th>\n",
+       "      <th>23</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>10</td>\n",
+       "      <td>21838</td>\n",
+       "      <td>1959.7890</td>\n",
+       "      <td>313.33</td>\n",
+       "      <td>316.33</td>\n",
+       "      <td>313.32</td>\n",
+       "      <td>316.30</td>\n",
+       "      <td>313.33</td>\n",
        "      <td>316.33</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>11</th>\n",
-       "      <th>21869</th>\n",
-       "      <th>1959.8740</th>\n",
-       "      <th>314.81</th>\n",
-       "      <th>316.68</th>\n",
-       "      <th>314.54</th>\n",
-       "      <th>316.39</th>\n",
-       "      <th>314.81</th>\n",
+       "      <th>24</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>11</td>\n",
+       "      <td>21869</td>\n",
+       "      <td>1959.8740</td>\n",
+       "      <td>314.81</td>\n",
+       "      <td>316.68</td>\n",
+       "      <td>314.54</td>\n",
+       "      <td>316.39</td>\n",
+       "      <td>314.81</td>\n",
        "      <td>316.68</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>12</th>\n",
-       "      <th>21899</th>\n",
-       "      <th>1959.9562</th>\n",
-       "      <th>315.58</th>\n",
-       "      <th>316.35</th>\n",
-       "      <th>315.72</th>\n",
-       "      <th>316.47</th>\n",
-       "      <th>315.58</th>\n",
+       "      <th>25</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>12</td>\n",
+       "      <td>21899</td>\n",
+       "      <td>1959.9562</td>\n",
+       "      <td>315.58</td>\n",
+       "      <td>316.35</td>\n",
+       "      <td>315.72</td>\n",
+       "      <td>316.47</td>\n",
+       "      <td>315.58</td>\n",
        "      <td>316.35</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th rowspan=\"3\" valign=\"top\">1960</th>\n",
-       "      <th>01</th>\n",
-       "      <th>21930</th>\n",
-       "      <th>1960.0410</th>\n",
-       "      <th>316.43</th>\n",
-       "      <th>316.39</th>\n",
-       "      <th>316.61</th>\n",
-       "      <th>316.55</th>\n",
-       "      <th>316.43</th>\n",
+       "      <th>26</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>01</td>\n",
+       "      <td>21930</td>\n",
+       "      <td>1960.0410</td>\n",
+       "      <td>316.43</td>\n",
+       "      <td>316.39</td>\n",
+       "      <td>316.61</td>\n",
+       "      <td>316.55</td>\n",
+       "      <td>316.43</td>\n",
        "      <td>316.39</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>02</th>\n",
-       "      <th>21961</th>\n",
-       "      <th>1960.1257</th>\n",
-       "      <th>316.98</th>\n",
-       "      <th>316.35</th>\n",
-       "      <th>317.27</th>\n",
-       "      <th>316.64</th>\n",
-       "      <th>316.98</th>\n",
+       "      <th>27</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>02</td>\n",
+       "      <td>21961</td>\n",
+       "      <td>1960.1257</td>\n",
+       "      <td>316.98</td>\n",
+       "      <td>316.35</td>\n",
+       "      <td>317.27</td>\n",
+       "      <td>316.64</td>\n",
+       "      <td>316.98</td>\n",
        "      <td>316.35</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>03</th>\n",
-       "      <th>21990</th>\n",
-       "      <th>1960.2049</th>\n",
-       "      <th>317.58</th>\n",
-       "      <th>316.28</th>\n",
-       "      <th>318.02</th>\n",
-       "      <th>316.71</th>\n",
-       "      <th>317.58</th>\n",
+       "      <th>28</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>03</td>\n",
+       "      <td>21990</td>\n",
+       "      <td>1960.2049</td>\n",
+       "      <td>317.58</td>\n",
+       "      <td>316.28</td>\n",
+       "      <td>318.02</td>\n",
+       "      <td>316.71</td>\n",
+       "      <td>317.58</td>\n",
        "      <td>316.28</td>\n",
        "    </tr>\n",
        "    <tr>\n",
+       "      <th>29</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>04</td>\n",
+       "      <td>22021</td>\n",
+       "      <td>1960.2896</td>\n",
+       "      <td>319.03</td>\n",
+       "      <td>316.70</td>\n",
+       "      <td>319.14</td>\n",
+       "      <td>316.79</td>\n",
+       "      <td>319.03</td>\n",
+       "      <td>316.70</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
        "      <th>...</th>\n",
-       "      <th>...</th>\n",
-       "      <th>...</th>\n",
-       "      <th>...</th>\n",
-       "      <th>...</th>\n",
-       "      <th>...</th>\n",
-       "      <th>...</th>\n",
-       "      <th>...</th>\n",
-       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
        "      <td>...</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th rowspan=\"6\" valign=\"top\">2018</th>\n",
-       "      <th>07</th>\n",
-       "      <th>43296</th>\n",
-       "      <th>2018.5370</th>\n",
-       "      <th>408.90</th>\n",
-       "      <th>408.08</th>\n",
-       "      <th>409.43</th>\n",
-       "      <th>408.65</th>\n",
-       "      <th>408.90</th>\n",
+       "      <th>728</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>07</td>\n",
+       "      <td>43296</td>\n",
+       "      <td>2018.5370</td>\n",
+       "      <td>408.90</td>\n",
+       "      <td>408.08</td>\n",
+       "      <td>409.43</td>\n",
+       "      <td>408.65</td>\n",
+       "      <td>408.90</td>\n",
        "      <td>408.08</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>08</th>\n",
-       "      <th>43327</th>\n",
-       "      <th>2018.6219</th>\n",
-       "      <th>407.10</th>\n",
-       "      <th>408.63</th>\n",
-       "      <th>407.33</th>\n",
-       "      <th>408.90</th>\n",
-       "      <th>407.10</th>\n",
+       "      <th>729</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>08</td>\n",
+       "      <td>43327</td>\n",
+       "      <td>2018.6219</td>\n",
+       "      <td>407.10</td>\n",
+       "      <td>408.63</td>\n",
+       "      <td>407.33</td>\n",
+       "      <td>408.90</td>\n",
+       "      <td>407.10</td>\n",
        "      <td>408.63</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>09</th>\n",
-       "      <th>43358</th>\n",
-       "      <th>2018.7068</th>\n",
-       "      <th>405.59</th>\n",
-       "      <th>409.08</th>\n",
-       "      <th>405.66</th>\n",
-       "      <th>409.18</th>\n",
-       "      <th>405.59</th>\n",
+       "      <th>730</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>09</td>\n",
+       "      <td>43358</td>\n",
+       "      <td>2018.7068</td>\n",
+       "      <td>405.59</td>\n",
+       "      <td>409.08</td>\n",
+       "      <td>405.66</td>\n",
+       "      <td>409.18</td>\n",
+       "      <td>405.59</td>\n",
        "      <td>409.08</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>10</th>\n",
-       "      <th>43388</th>\n",
-       "      <th>2018.7890</th>\n",
-       "      <th>405.99</th>\n",
-       "      <th>409.61</th>\n",
-       "      <th>405.84</th>\n",
-       "      <th>409.44</th>\n",
-       "      <th>405.99</th>\n",
+       "      <th>731</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>10</td>\n",
+       "      <td>43388</td>\n",
+       "      <td>2018.7890</td>\n",
+       "      <td>405.99</td>\n",
+       "      <td>409.61</td>\n",
+       "      <td>405.84</td>\n",
+       "      <td>409.44</td>\n",
+       "      <td>405.99</td>\n",
        "      <td>409.61</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>11</th>\n",
-       "      <th>43419</th>\n",
-       "      <th>2018.8740</th>\n",
-       "      <th>408.12</th>\n",
-       "      <th>410.38</th>\n",
-       "      <th>407.48</th>\n",
-       "      <th>409.72</th>\n",
-       "      <th>408.12</th>\n",
+       "      <th>732</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>11</td>\n",
+       "      <td>43419</td>\n",
+       "      <td>2018.8740</td>\n",
+       "      <td>408.12</td>\n",
+       "      <td>410.38</td>\n",
+       "      <td>407.48</td>\n",
+       "      <td>409.72</td>\n",
+       "      <td>408.12</td>\n",
        "      <td>410.38</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>12</th>\n",
-       "      <th>43449</th>\n",
-       "      <th>2018.9562</th>\n",
-       "      <th>409.23</th>\n",
-       "      <th>410.15</th>\n",
-       "      <th>409.07</th>\n",
-       "      <th>409.98</th>\n",
-       "      <th>409.23</th>\n",
+       "      <th>733</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>12</td>\n",
+       "      <td>43449</td>\n",
+       "      <td>2018.9562</td>\n",
+       "      <td>409.23</td>\n",
+       "      <td>410.15</td>\n",
+       "      <td>409.07</td>\n",
+       "      <td>409.98</td>\n",
+       "      <td>409.23</td>\n",
        "      <td>410.15</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th rowspan=\"12\" valign=\"top\">2019</th>\n",
-       "      <th>01</th>\n",
-       "      <th>43480</th>\n",
-       "      <th>2019.0411</th>\n",
-       "      <th>410.92</th>\n",
-       "      <th>410.87</th>\n",
-       "      <th>410.30</th>\n",
-       "      <th>410.24</th>\n",
-       "      <th>410.92</th>\n",
+       "      <th>734</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>01</td>\n",
+       "      <td>43480</td>\n",
+       "      <td>2019.0411</td>\n",
+       "      <td>410.92</td>\n",
+       "      <td>410.87</td>\n",
+       "      <td>410.30</td>\n",
+       "      <td>410.24</td>\n",
+       "      <td>410.92</td>\n",
        "      <td>410.87</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>02</th>\n",
-       "      <th>43511</th>\n",
-       "      <th>2019.1260</th>\n",
-       "      <th>411.66</th>\n",
-       "      <th>410.90</th>\n",
-       "      <th>411.25</th>\n",
-       "      <th>410.48</th>\n",
-       "      <th>411.66</th>\n",
+       "      <th>735</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>02</td>\n",
+       "      <td>43511</td>\n",
+       "      <td>2019.1260</td>\n",
+       "      <td>411.66</td>\n",
+       "      <td>410.90</td>\n",
+       "      <td>411.25</td>\n",
+       "      <td>410.48</td>\n",
+       "      <td>411.66</td>\n",
        "      <td>410.90</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>03</th>\n",
-       "      <th>43539</th>\n",
-       "      <th>2019.2027</th>\n",
-       "      <th>412.00</th>\n",
-       "      <th>410.46</th>\n",
-       "      <th>412.25</th>\n",
-       "      <th>410.69</th>\n",
-       "      <th>412.00</th>\n",
+       "      <th>736</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>03</td>\n",
+       "      <td>43539</td>\n",
+       "      <td>2019.2027</td>\n",
+       "      <td>412.00</td>\n",
+       "      <td>410.46</td>\n",
+       "      <td>412.25</td>\n",
+       "      <td>410.69</td>\n",
+       "      <td>412.00</td>\n",
        "      <td>410.46</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>04</th>\n",
-       "      <th>43570</th>\n",
-       "      <th>2019.2877</th>\n",
-       "      <th>413.52</th>\n",
-       "      <th>410.72</th>\n",
-       "      <th>413.73</th>\n",
-       "      <th>410.92</th>\n",
-       "      <th>413.52</th>\n",
+       "      <th>737</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>04</td>\n",
+       "      <td>43570</td>\n",
+       "      <td>2019.2877</td>\n",
+       "      <td>413.52</td>\n",
+       "      <td>410.72</td>\n",
+       "      <td>413.73</td>\n",
+       "      <td>410.92</td>\n",
+       "      <td>413.52</td>\n",
        "      <td>410.72</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>05</th>\n",
-       "      <th>43600</th>\n",
-       "      <th>2019.3699</th>\n",
-       "      <th>414.83</th>\n",
-       "      <th>411.42</th>\n",
-       "      <th>414.54</th>\n",
-       "      <th>411.14</th>\n",
-       "      <th>414.83</th>\n",
+       "      <th>738</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>05</td>\n",
+       "      <td>43600</td>\n",
+       "      <td>2019.3699</td>\n",
+       "      <td>414.83</td>\n",
+       "      <td>411.42</td>\n",
+       "      <td>414.54</td>\n",
+       "      <td>411.14</td>\n",
+       "      <td>414.83</td>\n",
        "      <td>411.42</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>06</th>\n",
-       "      <th>43631</th>\n",
-       "      <th>2019.4548</th>\n",
-       "      <th>413.96</th>\n",
-       "      <th>411.38</th>\n",
-       "      <th>413.91</th>\n",
-       "      <th>411.36</th>\n",
-       "      <th>413.96</th>\n",
+       "      <th>739</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>06</td>\n",
+       "      <td>43631</td>\n",
+       "      <td>2019.4548</td>\n",
+       "      <td>413.96</td>\n",
+       "      <td>411.38</td>\n",
+       "      <td>413.91</td>\n",
+       "      <td>411.36</td>\n",
+       "      <td>413.96</td>\n",
        "      <td>411.38</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>07</th>\n",
-       "      <th>43661</th>\n",
-       "      <th>2019.5370</th>\n",
-       "      <th>411.85</th>\n",
-       "      <th>411.03</th>\n",
-       "      <th>412.36</th>\n",
-       "      <th>411.57</th>\n",
-       "      <th>411.85</th>\n",
+       "      <th>740</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>07</td>\n",
+       "      <td>43661</td>\n",
+       "      <td>2019.5370</td>\n",
+       "      <td>411.85</td>\n",
+       "      <td>411.03</td>\n",
+       "      <td>412.36</td>\n",
+       "      <td>411.57</td>\n",
+       "      <td>411.85</td>\n",
        "      <td>411.03</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>08</th>\n",
-       "      <th>43692</th>\n",
-       "      <th>2019.6219</th>\n",
-       "      <th>410.08</th>\n",
-       "      <th>411.62</th>\n",
-       "      <th>410.22</th>\n",
-       "      <th>411.79</th>\n",
-       "      <th>410.08</th>\n",
+       "      <th>741</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>08</td>\n",
+       "      <td>43692</td>\n",
+       "      <td>2019.6219</td>\n",
+       "      <td>410.08</td>\n",
+       "      <td>411.62</td>\n",
+       "      <td>410.22</td>\n",
+       "      <td>411.79</td>\n",
+       "      <td>410.08</td>\n",
        "      <td>411.62</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>09</th>\n",
-       "      <th>43723</th>\n",
-       "      <th>2019.7068</th>\n",
-       "      <th>408.55</th>\n",
-       "      <th>412.06</th>\n",
-       "      <th>408.49</th>\n",
-       "      <th>412.02</th>\n",
-       "      <th>408.55</th>\n",
+       "      <th>742</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>09</td>\n",
+       "      <td>43723</td>\n",
+       "      <td>2019.7068</td>\n",
+       "      <td>408.55</td>\n",
+       "      <td>412.06</td>\n",
+       "      <td>408.49</td>\n",
+       "      <td>412.02</td>\n",
+       "      <td>408.55</td>\n",
        "      <td>412.06</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>10</th>\n",
-       "      <th>43753</th>\n",
-       "      <th>2019.7890</th>\n",
-       "      <th>408.43</th>\n",
-       "      <th>412.06</th>\n",
-       "      <th>408.62</th>\n",
-       "      <th>412.23</th>\n",
-       "      <th>408.43</th>\n",
+       "      <th>743</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>10</td>\n",
+       "      <td>43753</td>\n",
+       "      <td>2019.7890</td>\n",
+       "      <td>408.43</td>\n",
+       "      <td>412.06</td>\n",
+       "      <td>408.62</td>\n",
+       "      <td>412.23</td>\n",
+       "      <td>408.43</td>\n",
        "      <td>412.06</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>11</th>\n",
-       "      <th>43784</th>\n",
-       "      <th>2019.8740</th>\n",
-       "      <th>410.29</th>\n",
-       "      <th>412.56</th>\n",
-       "      <th>410.21</th>\n",
-       "      <th>412.46</th>\n",
-       "      <th>410.29</th>\n",
+       "      <th>744</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>11</td>\n",
+       "      <td>43784</td>\n",
+       "      <td>2019.8740</td>\n",
+       "      <td>410.29</td>\n",
+       "      <td>412.56</td>\n",
+       "      <td>410.21</td>\n",
+       "      <td>412.46</td>\n",
+       "      <td>410.29</td>\n",
        "      <td>412.56</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>12</th>\n",
-       "      <th>43814</th>\n",
-       "      <th>2019.9562</th>\n",
-       "      <th>411.85</th>\n",
-       "      <th>412.78</th>\n",
-       "      <th>411.76</th>\n",
-       "      <th>412.67</th>\n",
-       "      <th>411.85</th>\n",
+       "      <th>745</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>12</td>\n",
+       "      <td>43814</td>\n",
+       "      <td>2019.9562</td>\n",
+       "      <td>411.85</td>\n",
+       "      <td>412.78</td>\n",
+       "      <td>411.76</td>\n",
+       "      <td>412.67</td>\n",
+       "      <td>411.85</td>\n",
        "      <td>412.78</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th rowspan=\"12\" valign=\"top\">2020</th>\n",
-       "      <th>01</th>\n",
-       "      <th>43845</th>\n",
-       "      <th>2020.0410</th>\n",
-       "      <th>413.37</th>\n",
-       "      <th>413.32</th>\n",
-       "      <th>412.95</th>\n",
-       "      <th>412.89</th>\n",
-       "      <th>413.37</th>\n",
+       "      <th>746</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>01</td>\n",
+       "      <td>43845</td>\n",
+       "      <td>2020.0410</td>\n",
+       "      <td>413.37</td>\n",
+       "      <td>413.32</td>\n",
+       "      <td>412.95</td>\n",
+       "      <td>412.89</td>\n",
+       "      <td>413.37</td>\n",
        "      <td>413.32</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>02</th>\n",
-       "      <th>43876</th>\n",
-       "      <th>2020.1257</th>\n",
-       "      <th>414.09</th>\n",
-       "      <th>413.33</th>\n",
-       "      <th>413.87</th>\n",
-       "      <th>413.10</th>\n",
-       "      <th>414.09</th>\n",
+       "      <th>747</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>02</td>\n",
+       "      <td>43876</td>\n",
+       "      <td>2020.1257</td>\n",
+       "      <td>414.09</td>\n",
+       "      <td>413.33</td>\n",
+       "      <td>413.87</td>\n",
+       "      <td>413.10</td>\n",
+       "      <td>414.09</td>\n",
        "      <td>413.33</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>03</th>\n",
-       "      <th>43905</th>\n",
-       "      <th>2020.2049</th>\n",
-       "      <th>414.51</th>\n",
-       "      <th>412.94</th>\n",
-       "      <th>414.89</th>\n",
-       "      <th>413.30</th>\n",
-       "      <th>414.51</th>\n",
+       "      <th>748</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>03</td>\n",
+       "      <td>43905</td>\n",
+       "      <td>2020.2049</td>\n",
+       "      <td>414.51</td>\n",
+       "      <td>412.94</td>\n",
+       "      <td>414.89</td>\n",
+       "      <td>413.30</td>\n",
+       "      <td>414.51</td>\n",
        "      <td>412.94</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>04</th>\n",
-       "      <th>43936</th>\n",
-       "      <th>2020.2896</th>\n",
-       "      <th>416.18</th>\n",
-       "      <th>413.35</th>\n",
-       "      <th>416.35</th>\n",
-       "      <th>413.50</th>\n",
-       "      <th>416.18</th>\n",
+       "      <th>749</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>04</td>\n",
+       "      <td>43936</td>\n",
+       "      <td>2020.2896</td>\n",
+       "      <td>416.18</td>\n",
+       "      <td>413.35</td>\n",
+       "      <td>416.35</td>\n",
+       "      <td>413.50</td>\n",
+       "      <td>416.18</td>\n",
        "      <td>413.35</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>05</th>\n",
-       "      <th>43966</th>\n",
-       "      <th>2020.3716</th>\n",
-       "      <th>417.16</th>\n",
-       "      <th>413.75</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>417.16</th>\n",
+       "      <th>750</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>05</td>\n",
+       "      <td>43966</td>\n",
+       "      <td>2020.3716</td>\n",
+       "      <td>417.16</td>\n",
+       "      <td>413.75</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>417.16</td>\n",
        "      <td>413.75</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>06</th>\n",
-       "      <th>43997</th>\n",
-       "      <th>2020.4563</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>751</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>06</td>\n",
+       "      <td>43997</td>\n",
+       "      <td>2020.4563</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>07</th>\n",
-       "      <th>44027</th>\n",
-       "      <th>2020.5383</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>752</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>07</td>\n",
+       "      <td>44027</td>\n",
+       "      <td>2020.5383</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>08</th>\n",
-       "      <th>44058</th>\n",
-       "      <th>2020.6230</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>753</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>08</td>\n",
+       "      <td>44058</td>\n",
+       "      <td>2020.6230</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>09</th>\n",
-       "      <th>44089</th>\n",
-       "      <th>2020.7077</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>754</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>09</td>\n",
+       "      <td>44089</td>\n",
+       "      <td>2020.7077</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>10</th>\n",
-       "      <th>44119</th>\n",
-       "      <th>2020.7896</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>755</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>10</td>\n",
+       "      <td>44119</td>\n",
+       "      <td>2020.7896</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>11</th>\n",
-       "      <th>44150</th>\n",
-       "      <th>2020.8743</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>756</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>11</td>\n",
+       "      <td>44150</td>\n",
+       "      <td>2020.8743</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "    <tr>\n",
-       "      <th>12</th>\n",
-       "      <th>44180</th>\n",
-       "      <th>2020.9563</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
-       "      <th>-99.99</th>\n",
+       "      <th>757</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>12</td>\n",
+       "      <td>44180</td>\n",
+       "      <td>2020.9563</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
        "      <td>-99.99</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
-       "<p>759 rows × 1 columns</p>\n",
+       "<p>758 rows × 10 columns</p>\n",
        "</div>"
       ],
       "text/plain": [
-       "                                                                                                                                                                                   \n",
-       "  Yr  Mn     Date       Date      CO2  seasonally         fit   seasonally       CO2                                            seasonally                                         \n",
-       "                                         adjusted             adjusted fit    filled                                       adjusted filled                                         \n",
-       "            Excel               [ppm]      [ppm]        [ppm]     [ppm]           [ppm]                                              [ppm]                                         \n",
-       "1958  01    21200  1958.0411    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
-       "      02    21231  1958.1260    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
-       "      03    21259  1958.2027    315.70    314.44       316.18    314.90         315.70                                              314.44                                         \n",
-       "      04    21290  1958.2877    317.45    315.16       317.29    314.98         317.45                                              315.16                                         \n",
-       "      05    21320  1958.3699    317.51    314.71       317.86    315.06         317.51                                              314.71                                         \n",
-       "      06    21351  1958.4548    -99.99    -99.99       317.24    315.14         317.24                                              315.14                                         \n",
-       "      07    21381  1958.5370    315.86    315.19       315.86    315.21         315.86                                              315.19                                         \n",
-       "      08    21412  1958.6219    314.93    316.19       313.99    315.28         314.93                                              316.19                                         \n",
-       "      09    21443  1958.7068    313.21    316.08       312.45    315.35         313.21                                              316.08                                         \n",
-       "      10    21473  1958.7890    -99.99    -99.99       312.43    315.40         312.43                                              315.40                                         \n",
-       "      11    21504  1958.8740    313.33    315.20       313.61    315.46         313.33                                              315.20                                         \n",
-       "      12    21534  1958.9562    314.67    315.43       314.76    315.51         314.67                                              315.43                                         \n",
-       "1959  01    21565  1959.0411    315.58    315.54       315.62    315.57         315.58                                              315.54                                         \n",
-       "      02    21596  1959.1260    316.49    315.86       316.26    315.63         316.49                                              315.86                                         \n",
-       "      03    21624  1959.2027    316.65    315.38       316.97    315.69         316.65                                              315.38                                         \n",
-       "      04    21655  1959.2877    317.72    315.42       318.08    315.76         317.72                                              315.42                                         \n",
-       "      05    21685  1959.3699    318.29    315.49       318.65    315.84         318.29                                              315.49                                         \n",
-       "      06    21716  1959.4548    318.15    316.03       318.04    315.93         318.15                                              316.03                                         \n",
-       "      07    21746  1959.5370    316.54    315.86       316.67    316.02         316.54                                              315.86                                         \n",
-       "      08    21777  1959.6219    314.80    316.06       314.82    316.12         314.80                                              316.06                                         \n",
-       "      09    21808  1959.7068    313.84    316.73       313.31    316.21         313.84                                              316.73                                         \n",
-       "      10    21838  1959.7890    313.33    316.33       313.32    316.30         313.33                                              316.33                                         \n",
-       "      11    21869  1959.8740    314.81    316.68       314.54    316.39         314.81                                              316.68                                         \n",
-       "      12    21899  1959.9562    315.58    316.35       315.72    316.47         315.58                                              316.35                                         \n",
-       "1960  01    21930  1960.0410    316.43    316.39       316.61    316.55         316.43                                              316.39                                         \n",
-       "      02    21961  1960.1257    316.98    316.35       317.27    316.64         316.98                                              316.35                                         \n",
-       "      03    21990  1960.2049    317.58    316.28       318.02    316.71         317.58                                              316.28                                         \n",
-       "...                                                                                                                                    ...                                         \n",
-       "2018  07    43296  2018.5370    408.90    408.08       409.43    408.65         408.90                                              408.08                                         \n",
-       "      08    43327  2018.6219    407.10    408.63       407.33    408.90         407.10                                              408.63                                         \n",
-       "      09    43358  2018.7068    405.59    409.08       405.66    409.18         405.59                                              409.08                                         \n",
-       "      10    43388  2018.7890    405.99    409.61       405.84    409.44         405.99                                              409.61                                         \n",
-       "      11    43419  2018.8740    408.12    410.38       407.48    409.72         408.12                                              410.38                                         \n",
-       "      12    43449  2018.9562    409.23    410.15       409.07    409.98         409.23                                              410.15                                         \n",
-       "2019  01    43480  2019.0411    410.92    410.87       410.30    410.24         410.92                                              410.87                                         \n",
-       "      02    43511  2019.1260    411.66    410.90       411.25    410.48         411.66                                              410.90                                         \n",
-       "      03    43539  2019.2027    412.00    410.46       412.25    410.69         412.00                                              410.46                                         \n",
-       "      04    43570  2019.2877    413.52    410.72       413.73    410.92         413.52                                              410.72                                         \n",
-       "      05    43600  2019.3699    414.83    411.42       414.54    411.14         414.83                                              411.42                                         \n",
-       "      06    43631  2019.4548    413.96    411.38       413.91    411.36         413.96                                              411.38                                         \n",
-       "      07    43661  2019.5370    411.85    411.03       412.36    411.57         411.85                                              411.03                                         \n",
-       "      08    43692  2019.6219    410.08    411.62       410.22    411.79         410.08                                              411.62                                         \n",
-       "      09    43723  2019.7068    408.55    412.06       408.49    412.02         408.55                                              412.06                                         \n",
-       "      10    43753  2019.7890    408.43    412.06       408.62    412.23         408.43                                              412.06                                         \n",
-       "      11    43784  2019.8740    410.29    412.56       410.21    412.46         410.29                                              412.56                                         \n",
-       "      12    43814  2019.9562    411.85    412.78       411.76    412.67         411.85                                              412.78                                         \n",
-       "2020  01    43845  2020.0410    413.37    413.32       412.95    412.89         413.37                                              413.32                                         \n",
-       "      02    43876  2020.1257    414.09    413.33       413.87    413.10         414.09                                              413.33                                         \n",
-       "      03    43905  2020.2049    414.51    412.94       414.89    413.30         414.51                                              412.94                                         \n",
-       "      04    43936  2020.2896    416.18    413.35       416.35    413.50         416.18                                              413.35                                         \n",
-       "      05    43966  2020.3716    417.16    413.75       -99.99    -99.99         417.16                                              413.75                                         \n",
-       "      06    43997  2020.4563    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
-       "      07    44027  2020.5383    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
-       "      08    44058  2020.6230    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
-       "      09    44089  2020.7077    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
-       "      10    44119  2020.7896    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
-       "      11    44150  2020.8743    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
-       "      12    44180  2020.9563    -99.99    -99.99       -99.99    -99.99         -99.99                                              -99.99                                         \n",
+       "       Yr   Mn      Date        Date        CO2  seasonally          fit  \\\n",
+       "0                                                  adjusted                \n",
+       "1                  Excel                  [ppm]      [ppm]         [ppm]   \n",
+       "2    1958   01     21200   1958.0411     -99.99      -99.99       -99.99   \n",
+       "3    1958   02     21231   1958.1260     -99.99      -99.99       -99.99   \n",
+       "4    1958   03     21259   1958.2027     315.70      314.44       316.18   \n",
+       "5    1958   04     21290   1958.2877     317.45      315.16       317.29   \n",
+       "6    1958   05     21320   1958.3699     317.51      314.71       317.86   \n",
+       "7    1958   06     21351   1958.4548     -99.99      -99.99       317.24   \n",
+       "8    1958   07     21381   1958.5370     315.86      315.19       315.86   \n",
+       "9    1958   08     21412   1958.6219     314.93      316.19       313.99   \n",
+       "10   1958   09     21443   1958.7068     313.21      316.08       312.45   \n",
+       "11   1958   10     21473   1958.7890     -99.99      -99.99       312.43   \n",
+       "12   1958   11     21504   1958.8740     313.33      315.20       313.61   \n",
+       "13   1958   12     21534   1958.9562     314.67      315.43       314.76   \n",
+       "14   1959   01     21565   1959.0411     315.58      315.54       315.62   \n",
+       "15   1959   02     21596   1959.1260     316.49      315.86       316.26   \n",
+       "16   1959   03     21624   1959.2027     316.65      315.38       316.97   \n",
+       "17   1959   04     21655   1959.2877     317.72      315.42       318.08   \n",
+       "18   1959   05     21685   1959.3699     318.29      315.49       318.65   \n",
+       "19   1959   06     21716   1959.4548     318.15      316.03       318.04   \n",
+       "20   1959   07     21746   1959.5370     316.54      315.86       316.67   \n",
+       "21   1959   08     21777   1959.6219     314.80      316.06       314.82   \n",
+       "22   1959   09     21808   1959.7068     313.84      316.73       313.31   \n",
+       "23   1959   10     21838   1959.7890     313.33      316.33       313.32   \n",
+       "24   1959   11     21869   1959.8740     314.81      316.68       314.54   \n",
+       "25   1959   12     21899   1959.9562     315.58      316.35       315.72   \n",
+       "26   1960   01     21930   1960.0410     316.43      316.39       316.61   \n",
+       "27   1960   02     21961   1960.1257     316.98      316.35       317.27   \n",
+       "28   1960   03     21990   1960.2049     317.58      316.28       318.02   \n",
+       "29   1960   04     22021   1960.2896     319.03      316.70       319.14   \n",
+       "..    ...  ...       ...         ...        ...         ...          ...   \n",
+       "728  2018   07     43296   2018.5370     408.90      408.08       409.43   \n",
+       "729  2018   08     43327   2018.6219     407.10      408.63       407.33   \n",
+       "730  2018   09     43358   2018.7068     405.59      409.08       405.66   \n",
+       "731  2018   10     43388   2018.7890     405.99      409.61       405.84   \n",
+       "732  2018   11     43419   2018.8740     408.12      410.38       407.48   \n",
+       "733  2018   12     43449   2018.9562     409.23      410.15       409.07   \n",
+       "734  2019   01     43480   2019.0411     410.92      410.87       410.30   \n",
+       "735  2019   02     43511   2019.1260     411.66      410.90       411.25   \n",
+       "736  2019   03     43539   2019.2027     412.00      410.46       412.25   \n",
+       "737  2019   04     43570   2019.2877     413.52      410.72       413.73   \n",
+       "738  2019   05     43600   2019.3699     414.83      411.42       414.54   \n",
+       "739  2019   06     43631   2019.4548     413.96      411.38       413.91   \n",
+       "740  2019   07     43661   2019.5370     411.85      411.03       412.36   \n",
+       "741  2019   08     43692   2019.6219     410.08      411.62       410.22   \n",
+       "742  2019   09     43723   2019.7068     408.55      412.06       408.49   \n",
+       "743  2019   10     43753   2019.7890     408.43      412.06       408.62   \n",
+       "744  2019   11     43784   2019.8740     410.29      412.56       410.21   \n",
+       "745  2019   12     43814   2019.9562     411.85      412.78       411.76   \n",
+       "746  2020   01     43845   2020.0410     413.37      413.32       412.95   \n",
+       "747  2020   02     43876   2020.1257     414.09      413.33       413.87   \n",
+       "748  2020   03     43905   2020.2049     414.51      412.94       414.89   \n",
+       "749  2020   04     43936   2020.2896     416.18      413.35       416.35   \n",
+       "750  2020   05     43966   2020.3716     417.16      413.75       -99.99   \n",
+       "751  2020   06     43997   2020.4563     -99.99      -99.99       -99.99   \n",
+       "752  2020   07     44027   2020.5383     -99.99      -99.99       -99.99   \n",
+       "753  2020   08     44058   2020.6230     -99.99      -99.99       -99.99   \n",
+       "754  2020   09     44089   2020.7077     -99.99      -99.99       -99.99   \n",
+       "755  2020   10     44119   2020.7896     -99.99      -99.99       -99.99   \n",
+       "756  2020   11     44150   2020.8743     -99.99      -99.99       -99.99   \n",
+       "757  2020   12     44180   2020.9563     -99.99      -99.99       -99.99   \n",
        "\n",
-       "[759 rows x 1 columns]"
+       "       seasonally           CO2       seasonally  \n",
+       "0    adjusted fit        filled  adjusted filled  \n",
+       "1           [ppm]         [ppm]            [ppm]  \n",
+       "2          -99.99        -99.99           -99.99  \n",
+       "3          -99.99        -99.99           -99.99  \n",
+       "4          314.90        315.70           314.44  \n",
+       "5          314.98        317.45           315.16  \n",
+       "6          315.06        317.51           314.71  \n",
+       "7          315.14        317.24           315.14  \n",
+       "8          315.21        315.86           315.19  \n",
+       "9          315.28        314.93           316.19  \n",
+       "10         315.35        313.21           316.08  \n",
+       "11         315.40        312.43           315.40  \n",
+       "12         315.46        313.33           315.20  \n",
+       "13         315.51        314.67           315.43  \n",
+       "14         315.57        315.58           315.54  \n",
+       "15         315.63        316.49           315.86  \n",
+       "16         315.69        316.65           315.38  \n",
+       "17         315.76        317.72           315.42  \n",
+       "18         315.84        318.29           315.49  \n",
+       "19         315.93        318.15           316.03  \n",
+       "20         316.02        316.54           315.86  \n",
+       "21         316.12        314.80           316.06  \n",
+       "22         316.21        313.84           316.73  \n",
+       "23         316.30        313.33           316.33  \n",
+       "24         316.39        314.81           316.68  \n",
+       "25         316.47        315.58           316.35  \n",
+       "26         316.55        316.43           316.39  \n",
+       "27         316.64        316.98           316.35  \n",
+       "28         316.71        317.58           316.28  \n",
+       "29         316.79        319.03           316.70  \n",
+       "..            ...           ...              ...  \n",
+       "728        408.65        408.90           408.08  \n",
+       "729        408.90        407.10           408.63  \n",
+       "730        409.18        405.59           409.08  \n",
+       "731        409.44        405.99           409.61  \n",
+       "732        409.72        408.12           410.38  \n",
+       "733        409.98        409.23           410.15  \n",
+       "734        410.24        410.92           410.87  \n",
+       "735        410.48        411.66           410.90  \n",
+       "736        410.69        412.00           410.46  \n",
+       "737        410.92        413.52           410.72  \n",
+       "738        411.14        414.83           411.42  \n",
+       "739        411.36        413.96           411.38  \n",
+       "740        411.57        411.85           411.03  \n",
+       "741        411.79        410.08           411.62  \n",
+       "742        412.02        408.55           412.06  \n",
+       "743        412.23        408.43           412.06  \n",
+       "744        412.46        410.29           412.56  \n",
+       "745        412.67        411.85           412.78  \n",
+       "746        412.89        413.37           413.32  \n",
+       "747        413.10        414.09           413.33  \n",
+       "748        413.30        414.51           412.94  \n",
+       "749        413.50        416.18           413.35  \n",
+       "750        -99.99        417.16           413.75  \n",
+       "751        -99.99        -99.99           -99.99  \n",
+       "752        -99.99        -99.99           -99.99  \n",
+       "753        -99.99        -99.99           -99.99  \n",
+       "754        -99.99        -99.99           -99.99  \n",
+       "755        -99.99        -99.99           -99.99  \n",
+       "756        -99.99        -99.99           -99.99  \n",
+       "757        -99.99        -99.99           -99.99  \n",
+       "\n",
+       "[758 rows x 10 columns]"
       ]
      },
-     "execution_count": 6,
+     "execution_count": 41,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "raw_data = pd.read_csv(data_url, skiprows=53)\n",
+    "raw_data = pd.read_csv(data_url, skiprows=54)\n",
     "raw_data"
    ]
   },
@@ -865,47 +1045,1088 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "On vérifie qu'il n'y a pas de données manquantes"
+    "On vérifie les clés de la table:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 42,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Index(['  Yr', ' Mn', '    Date', '      Date', '     CO2', 'seasonally',\n",
+       "       '        fit', '  seasonally', '      CO2', ' seasonally'],\n",
+       "      dtype='object')"
+      ]
+     },
+     "execution_count": 42,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "raw_data.keys()\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On constate des espaces intempestifs dans le nom des clés, il faudra les prendre en compte pour les requetes. on observe également que quand certaines données sont manquantes, la valeur -99,99 est mise à la place. On va donc filtrer les lignes où les valeurs sont manquantes pour le taux de CO2."
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 43,
    "metadata": {},
    "outputs": [
     {
-     "ename": "KeyError",
-     "evalue": "'CO2'",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mKeyError\u001b[0m                                  Traceback (most recent call last)",
-      "\u001b[0;32m/opt/conda/lib/python3.6/site-packages/pandas/core/indexes/base.py\u001b[0m in \u001b[0;36mget_loc\u001b[0;34m(self, key, method, tolerance)\u001b[0m\n\u001b[1;32m   2524\u001b[0m             \u001b[0;32mtry\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 2525\u001b[0;31m                 \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_engine\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget_loc\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   2526\u001b[0m             \u001b[0;32mexcept\u001b[0m \u001b[0mKeyError\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32mpandas/_libs/index.pyx\u001b[0m in \u001b[0;36mpandas._libs.index.IndexEngine.get_loc\u001b[0;34m()\u001b[0m\n",
-      "\u001b[0;32mpandas/_libs/index.pyx\u001b[0m in \u001b[0;36mpandas._libs.index.IndexEngine.get_loc\u001b[0;34m()\u001b[0m\n",
-      "\u001b[0;32mpandas/_libs/hashtable_class_helper.pxi\u001b[0m in \u001b[0;36mpandas._libs.hashtable.PyObjectHashTable.get_item\u001b[0;34m()\u001b[0m\n",
-      "\u001b[0;32mpandas/_libs/hashtable_class_helper.pxi\u001b[0m in \u001b[0;36mpandas._libs.hashtable.PyObjectHashTable.get_item\u001b[0;34m()\u001b[0m\n",
-      "\u001b[0;31mKeyError\u001b[0m: 'CO2'",
-      "\nDuring handling of the above exception, another exception occurred:\n",
-      "\u001b[0;31mKeyError\u001b[0m                                  Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-15-95dc9971d4ce>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mraw_data\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mraw_data\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m'CO2'\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;34m-\u001b[0m\u001b[0;36m99.99\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
-      "\u001b[0;32m/opt/conda/lib/python3.6/site-packages/pandas/core/frame.py\u001b[0m in \u001b[0;36m__getitem__\u001b[0;34m(self, key)\u001b[0m\n\u001b[1;32m   2137\u001b[0m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_getitem_multilevel\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   2138\u001b[0m         \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 2139\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_getitem_column\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   2140\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   2141\u001b[0m     \u001b[0;32mdef\u001b[0m \u001b[0m_getitem_column\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mkey\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/opt/conda/lib/python3.6/site-packages/pandas/core/frame.py\u001b[0m in \u001b[0;36m_getitem_column\u001b[0;34m(self, key)\u001b[0m\n\u001b[1;32m   2144\u001b[0m         \u001b[0;31m# get column\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   2145\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mcolumns\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mis_unique\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 2146\u001b[0;31m             \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_get_item_cache\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   2147\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   2148\u001b[0m         \u001b[0;31m# duplicate columns & possible reduce dimensionality\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/opt/conda/lib/python3.6/site-packages/pandas/core/generic.py\u001b[0m in \u001b[0;36m_get_item_cache\u001b[0;34m(self, item)\u001b[0m\n\u001b[1;32m   1840\u001b[0m         \u001b[0mres\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mcache\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mitem\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1841\u001b[0m         \u001b[0;32mif\u001b[0m \u001b[0mres\u001b[0m \u001b[0;32mis\u001b[0m \u001b[0;32mNone\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 1842\u001b[0;31m             \u001b[0mvalues\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_data\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mitem\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   1843\u001b[0m             \u001b[0mres\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_box_item_values\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mitem\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mvalues\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   1844\u001b[0m             \u001b[0mcache\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mitem\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mres\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/opt/conda/lib/python3.6/site-packages/pandas/core/internals.py\u001b[0m in \u001b[0;36mget\u001b[0;34m(self, item, fastpath)\u001b[0m\n\u001b[1;32m   3841\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   3842\u001b[0m             \u001b[0;32mif\u001b[0m \u001b[0;32mnot\u001b[0m \u001b[0misna\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mitem\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 3843\u001b[0;31m                 \u001b[0mloc\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mitems\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget_loc\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mitem\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   3844\u001b[0m             \u001b[0;32melse\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   3845\u001b[0m                 \u001b[0mindexer\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mnp\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0marange\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mlen\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mitems\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0misna\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mitems\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32m/opt/conda/lib/python3.6/site-packages/pandas/core/indexes/base.py\u001b[0m in \u001b[0;36mget_loc\u001b[0;34m(self, key, method, tolerance)\u001b[0m\n\u001b[1;32m   2525\u001b[0m                 \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_engine\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget_loc\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   2526\u001b[0m             \u001b[0;32mexcept\u001b[0m \u001b[0mKeyError\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m-> 2527\u001b[0;31m                 \u001b[0;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_engine\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget_loc\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0m_maybe_cast_indexer\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m   2528\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m   2529\u001b[0m         \u001b[0mindexer\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget_indexer\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mmethod\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mmethod\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtolerance\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mtolerance\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;32mpandas/_libs/index.pyx\u001b[0m in \u001b[0;36mpandas._libs.index.IndexEngine.get_loc\u001b[0;34m()\u001b[0m\n",
-      "\u001b[0;32mpandas/_libs/index.pyx\u001b[0m in \u001b[0;36mpandas._libs.index.IndexEngine.get_loc\u001b[0;34m()\u001b[0m\n",
-      "\u001b[0;32mpandas/_libs/hashtable_class_helper.pxi\u001b[0m in \u001b[0;36mpandas._libs.hashtable.PyObjectHashTable.get_item\u001b[0;34m()\u001b[0m\n",
-      "\u001b[0;32mpandas/_libs/hashtable_class_helper.pxi\u001b[0m in \u001b[0;36mpandas._libs.hashtable.PyObjectHashTable.get_item\u001b[0;34m()\u001b[0m\n",
-      "\u001b[0;31mKeyError\u001b[0m: 'CO2'"
-     ]
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>Yr</th>\n",
+       "      <th>Mn</th>\n",
+       "      <th>Date</th>\n",
+       "      <th>Date</th>\n",
+       "      <th>CO2</th>\n",
+       "      <th>seasonally</th>\n",
+       "      <th>fit</th>\n",
+       "      <th>seasonally</th>\n",
+       "      <th>CO2</th>\n",
+       "      <th>seasonally</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "Empty DataFrame\n",
+       "Columns: [  Yr,  Mn,     Date,       Date,      CO2, seasonally,         fit,   seasonally,       CO2,  seasonally]\n",
+       "Index: []"
+      ]
+     },
+     "execution_count": 43,
+     "metadata": {},
+     "output_type": "execute_result"
     }
    ],
    "source": [
-    "raw_data[raw_data['CO2'] == -99.99]"
+    "raw_data[raw_data['     CO2'] == '     -99.99']"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On drop ces lignes et également les deux premières lignes qui contiennent les unités de mesures mais pas des données en tant que telles."
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 44,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/html": [
+       "<div>\n",
+       "<style scoped>\n",
+       "    .dataframe tbody tr th:only-of-type {\n",
+       "        vertical-align: middle;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe tbody tr th {\n",
+       "        vertical-align: top;\n",
+       "    }\n",
+       "\n",
+       "    .dataframe thead th {\n",
+       "        text-align: right;\n",
+       "    }\n",
+       "</style>\n",
+       "<table border=\"1\" class=\"dataframe\">\n",
+       "  <thead>\n",
+       "    <tr style=\"text-align: right;\">\n",
+       "      <th></th>\n",
+       "      <th>Yr</th>\n",
+       "      <th>Mn</th>\n",
+       "      <th>Date</th>\n",
+       "      <th>Date</th>\n",
+       "      <th>CO2</th>\n",
+       "      <th>seasonally</th>\n",
+       "      <th>fit</th>\n",
+       "      <th>seasonally</th>\n",
+       "      <th>CO2</th>\n",
+       "      <th>seasonally</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>4</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>03</td>\n",
+       "      <td>21259</td>\n",
+       "      <td>1958.2027</td>\n",
+       "      <td>315.70</td>\n",
+       "      <td>314.44</td>\n",
+       "      <td>316.18</td>\n",
+       "      <td>314.90</td>\n",
+       "      <td>315.70</td>\n",
+       "      <td>314.44</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>5</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>04</td>\n",
+       "      <td>21290</td>\n",
+       "      <td>1958.2877</td>\n",
+       "      <td>317.45</td>\n",
+       "      <td>315.16</td>\n",
+       "      <td>317.29</td>\n",
+       "      <td>314.98</td>\n",
+       "      <td>317.45</td>\n",
+       "      <td>315.16</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>6</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>05</td>\n",
+       "      <td>21320</td>\n",
+       "      <td>1958.3699</td>\n",
+       "      <td>317.51</td>\n",
+       "      <td>314.71</td>\n",
+       "      <td>317.86</td>\n",
+       "      <td>315.06</td>\n",
+       "      <td>317.51</td>\n",
+       "      <td>314.71</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>7</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>06</td>\n",
+       "      <td>21351</td>\n",
+       "      <td>1958.4548</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>317.24</td>\n",
+       "      <td>315.14</td>\n",
+       "      <td>317.24</td>\n",
+       "      <td>315.14</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>8</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>07</td>\n",
+       "      <td>21381</td>\n",
+       "      <td>1958.5370</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>315.19</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>315.21</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>315.19</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>9</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>08</td>\n",
+       "      <td>21412</td>\n",
+       "      <td>1958.6219</td>\n",
+       "      <td>314.93</td>\n",
+       "      <td>316.19</td>\n",
+       "      <td>313.99</td>\n",
+       "      <td>315.28</td>\n",
+       "      <td>314.93</td>\n",
+       "      <td>316.19</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>10</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>09</td>\n",
+       "      <td>21443</td>\n",
+       "      <td>1958.7068</td>\n",
+       "      <td>313.21</td>\n",
+       "      <td>316.08</td>\n",
+       "      <td>312.45</td>\n",
+       "      <td>315.35</td>\n",
+       "      <td>313.21</td>\n",
+       "      <td>316.08</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>11</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>10</td>\n",
+       "      <td>21473</td>\n",
+       "      <td>1958.7890</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>312.43</td>\n",
+       "      <td>315.40</td>\n",
+       "      <td>312.43</td>\n",
+       "      <td>315.40</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>12</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>11</td>\n",
+       "      <td>21504</td>\n",
+       "      <td>1958.8740</td>\n",
+       "      <td>313.33</td>\n",
+       "      <td>315.20</td>\n",
+       "      <td>313.61</td>\n",
+       "      <td>315.46</td>\n",
+       "      <td>313.33</td>\n",
+       "      <td>315.20</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>13</th>\n",
+       "      <td>1958</td>\n",
+       "      <td>12</td>\n",
+       "      <td>21534</td>\n",
+       "      <td>1958.9562</td>\n",
+       "      <td>314.67</td>\n",
+       "      <td>315.43</td>\n",
+       "      <td>314.76</td>\n",
+       "      <td>315.51</td>\n",
+       "      <td>314.67</td>\n",
+       "      <td>315.43</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>14</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>01</td>\n",
+       "      <td>21565</td>\n",
+       "      <td>1959.0411</td>\n",
+       "      <td>315.58</td>\n",
+       "      <td>315.54</td>\n",
+       "      <td>315.62</td>\n",
+       "      <td>315.57</td>\n",
+       "      <td>315.58</td>\n",
+       "      <td>315.54</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>15</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>02</td>\n",
+       "      <td>21596</td>\n",
+       "      <td>1959.1260</td>\n",
+       "      <td>316.49</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>316.26</td>\n",
+       "      <td>315.63</td>\n",
+       "      <td>316.49</td>\n",
+       "      <td>315.86</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>16</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>03</td>\n",
+       "      <td>21624</td>\n",
+       "      <td>1959.2027</td>\n",
+       "      <td>316.65</td>\n",
+       "      <td>315.38</td>\n",
+       "      <td>316.97</td>\n",
+       "      <td>315.69</td>\n",
+       "      <td>316.65</td>\n",
+       "      <td>315.38</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>17</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>04</td>\n",
+       "      <td>21655</td>\n",
+       "      <td>1959.2877</td>\n",
+       "      <td>317.72</td>\n",
+       "      <td>315.42</td>\n",
+       "      <td>318.08</td>\n",
+       "      <td>315.76</td>\n",
+       "      <td>317.72</td>\n",
+       "      <td>315.42</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>18</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>05</td>\n",
+       "      <td>21685</td>\n",
+       "      <td>1959.3699</td>\n",
+       "      <td>318.29</td>\n",
+       "      <td>315.49</td>\n",
+       "      <td>318.65</td>\n",
+       "      <td>315.84</td>\n",
+       "      <td>318.29</td>\n",
+       "      <td>315.49</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>19</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>06</td>\n",
+       "      <td>21716</td>\n",
+       "      <td>1959.4548</td>\n",
+       "      <td>318.15</td>\n",
+       "      <td>316.03</td>\n",
+       "      <td>318.04</td>\n",
+       "      <td>315.93</td>\n",
+       "      <td>318.15</td>\n",
+       "      <td>316.03</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>20</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>07</td>\n",
+       "      <td>21746</td>\n",
+       "      <td>1959.5370</td>\n",
+       "      <td>316.54</td>\n",
+       "      <td>315.86</td>\n",
+       "      <td>316.67</td>\n",
+       "      <td>316.02</td>\n",
+       "      <td>316.54</td>\n",
+       "      <td>315.86</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>21</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>08</td>\n",
+       "      <td>21777</td>\n",
+       "      <td>1959.6219</td>\n",
+       "      <td>314.80</td>\n",
+       "      <td>316.06</td>\n",
+       "      <td>314.82</td>\n",
+       "      <td>316.12</td>\n",
+       "      <td>314.80</td>\n",
+       "      <td>316.06</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>22</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>09</td>\n",
+       "      <td>21808</td>\n",
+       "      <td>1959.7068</td>\n",
+       "      <td>313.84</td>\n",
+       "      <td>316.73</td>\n",
+       "      <td>313.31</td>\n",
+       "      <td>316.21</td>\n",
+       "      <td>313.84</td>\n",
+       "      <td>316.73</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>23</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>10</td>\n",
+       "      <td>21838</td>\n",
+       "      <td>1959.7890</td>\n",
+       "      <td>313.33</td>\n",
+       "      <td>316.33</td>\n",
+       "      <td>313.32</td>\n",
+       "      <td>316.30</td>\n",
+       "      <td>313.33</td>\n",
+       "      <td>316.33</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>24</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>11</td>\n",
+       "      <td>21869</td>\n",
+       "      <td>1959.8740</td>\n",
+       "      <td>314.81</td>\n",
+       "      <td>316.68</td>\n",
+       "      <td>314.54</td>\n",
+       "      <td>316.39</td>\n",
+       "      <td>314.81</td>\n",
+       "      <td>316.68</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>25</th>\n",
+       "      <td>1959</td>\n",
+       "      <td>12</td>\n",
+       "      <td>21899</td>\n",
+       "      <td>1959.9562</td>\n",
+       "      <td>315.58</td>\n",
+       "      <td>316.35</td>\n",
+       "      <td>315.72</td>\n",
+       "      <td>316.47</td>\n",
+       "      <td>315.58</td>\n",
+       "      <td>316.35</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>26</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>01</td>\n",
+       "      <td>21930</td>\n",
+       "      <td>1960.0410</td>\n",
+       "      <td>316.43</td>\n",
+       "      <td>316.39</td>\n",
+       "      <td>316.61</td>\n",
+       "      <td>316.55</td>\n",
+       "      <td>316.43</td>\n",
+       "      <td>316.39</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>27</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>02</td>\n",
+       "      <td>21961</td>\n",
+       "      <td>1960.1257</td>\n",
+       "      <td>316.98</td>\n",
+       "      <td>316.35</td>\n",
+       "      <td>317.27</td>\n",
+       "      <td>316.64</td>\n",
+       "      <td>316.98</td>\n",
+       "      <td>316.35</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>28</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>03</td>\n",
+       "      <td>21990</td>\n",
+       "      <td>1960.2049</td>\n",
+       "      <td>317.58</td>\n",
+       "      <td>316.28</td>\n",
+       "      <td>318.02</td>\n",
+       "      <td>316.71</td>\n",
+       "      <td>317.58</td>\n",
+       "      <td>316.28</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>29</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>04</td>\n",
+       "      <td>22021</td>\n",
+       "      <td>1960.2896</td>\n",
+       "      <td>319.03</td>\n",
+       "      <td>316.70</td>\n",
+       "      <td>319.14</td>\n",
+       "      <td>316.79</td>\n",
+       "      <td>319.03</td>\n",
+       "      <td>316.70</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>30</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>05</td>\n",
+       "      <td>22051</td>\n",
+       "      <td>1960.3716</td>\n",
+       "      <td>320.04</td>\n",
+       "      <td>317.22</td>\n",
+       "      <td>319.68</td>\n",
+       "      <td>316.86</td>\n",
+       "      <td>320.04</td>\n",
+       "      <td>317.22</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>31</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>06</td>\n",
+       "      <td>22082</td>\n",
+       "      <td>1960.4563</td>\n",
+       "      <td>319.58</td>\n",
+       "      <td>317.48</td>\n",
+       "      <td>319.01</td>\n",
+       "      <td>316.92</td>\n",
+       "      <td>319.58</td>\n",
+       "      <td>317.48</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>32</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>07</td>\n",
+       "      <td>22112</td>\n",
+       "      <td>1960.5383</td>\n",
+       "      <td>318.18</td>\n",
+       "      <td>317.52</td>\n",
+       "      <td>317.60</td>\n",
+       "      <td>316.97</td>\n",
+       "      <td>318.18</td>\n",
+       "      <td>317.52</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>33</th>\n",
+       "      <td>1960</td>\n",
+       "      <td>08</td>\n",
+       "      <td>22143</td>\n",
+       "      <td>1960.6230</td>\n",
+       "      <td>315.90</td>\n",
+       "      <td>317.20</td>\n",
+       "      <td>315.68</td>\n",
+       "      <td>317.01</td>\n",
+       "      <td>315.90</td>\n",
+       "      <td>317.20</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>...</th>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "      <td>...</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>721</th>\n",
+       "      <td>2017</td>\n",
+       "      <td>12</td>\n",
+       "      <td>43084</td>\n",
+       "      <td>2017.9562</td>\n",
+       "      <td>406.75</td>\n",
+       "      <td>407.68</td>\n",
+       "      <td>406.46</td>\n",
+       "      <td>407.36</td>\n",
+       "      <td>406.75</td>\n",
+       "      <td>407.68</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>722</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>01</td>\n",
+       "      <td>43115</td>\n",
+       "      <td>2018.0411</td>\n",
+       "      <td>408.05</td>\n",
+       "      <td>408.00</td>\n",
+       "      <td>407.58</td>\n",
+       "      <td>407.51</td>\n",
+       "      <td>408.05</td>\n",
+       "      <td>408.00</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>723</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>02</td>\n",
+       "      <td>43146</td>\n",
+       "      <td>2018.1260</td>\n",
+       "      <td>408.34</td>\n",
+       "      <td>407.59</td>\n",
+       "      <td>408.44</td>\n",
+       "      <td>407.67</td>\n",
+       "      <td>408.34</td>\n",
+       "      <td>407.59</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>724</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>03</td>\n",
+       "      <td>43174</td>\n",
+       "      <td>2018.2027</td>\n",
+       "      <td>409.25</td>\n",
+       "      <td>407.72</td>\n",
+       "      <td>409.37</td>\n",
+       "      <td>407.82</td>\n",
+       "      <td>409.25</td>\n",
+       "      <td>407.72</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>725</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>04</td>\n",
+       "      <td>43205</td>\n",
+       "      <td>2018.2877</td>\n",
+       "      <td>410.30</td>\n",
+       "      <td>407.52</td>\n",
+       "      <td>410.80</td>\n",
+       "      <td>408.00</td>\n",
+       "      <td>410.30</td>\n",
+       "      <td>407.52</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>726</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>05</td>\n",
+       "      <td>43235</td>\n",
+       "      <td>2018.3699</td>\n",
+       "      <td>411.30</td>\n",
+       "      <td>407.91</td>\n",
+       "      <td>411.59</td>\n",
+       "      <td>408.19</td>\n",
+       "      <td>411.30</td>\n",
+       "      <td>407.91</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>727</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>06</td>\n",
+       "      <td>43266</td>\n",
+       "      <td>2018.4548</td>\n",
+       "      <td>410.88</td>\n",
+       "      <td>408.31</td>\n",
+       "      <td>410.96</td>\n",
+       "      <td>408.41</td>\n",
+       "      <td>410.88</td>\n",
+       "      <td>408.31</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>728</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>07</td>\n",
+       "      <td>43296</td>\n",
+       "      <td>2018.5370</td>\n",
+       "      <td>408.90</td>\n",
+       "      <td>408.08</td>\n",
+       "      <td>409.43</td>\n",
+       "      <td>408.65</td>\n",
+       "      <td>408.90</td>\n",
+       "      <td>408.08</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>729</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>08</td>\n",
+       "      <td>43327</td>\n",
+       "      <td>2018.6219</td>\n",
+       "      <td>407.10</td>\n",
+       "      <td>408.63</td>\n",
+       "      <td>407.33</td>\n",
+       "      <td>408.90</td>\n",
+       "      <td>407.10</td>\n",
+       "      <td>408.63</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>730</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>09</td>\n",
+       "      <td>43358</td>\n",
+       "      <td>2018.7068</td>\n",
+       "      <td>405.59</td>\n",
+       "      <td>409.08</td>\n",
+       "      <td>405.66</td>\n",
+       "      <td>409.18</td>\n",
+       "      <td>405.59</td>\n",
+       "      <td>409.08</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>731</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>10</td>\n",
+       "      <td>43388</td>\n",
+       "      <td>2018.7890</td>\n",
+       "      <td>405.99</td>\n",
+       "      <td>409.61</td>\n",
+       "      <td>405.84</td>\n",
+       "      <td>409.44</td>\n",
+       "      <td>405.99</td>\n",
+       "      <td>409.61</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>732</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>11</td>\n",
+       "      <td>43419</td>\n",
+       "      <td>2018.8740</td>\n",
+       "      <td>408.12</td>\n",
+       "      <td>410.38</td>\n",
+       "      <td>407.48</td>\n",
+       "      <td>409.72</td>\n",
+       "      <td>408.12</td>\n",
+       "      <td>410.38</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>733</th>\n",
+       "      <td>2018</td>\n",
+       "      <td>12</td>\n",
+       "      <td>43449</td>\n",
+       "      <td>2018.9562</td>\n",
+       "      <td>409.23</td>\n",
+       "      <td>410.15</td>\n",
+       "      <td>409.07</td>\n",
+       "      <td>409.98</td>\n",
+       "      <td>409.23</td>\n",
+       "      <td>410.15</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>734</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>01</td>\n",
+       "      <td>43480</td>\n",
+       "      <td>2019.0411</td>\n",
+       "      <td>410.92</td>\n",
+       "      <td>410.87</td>\n",
+       "      <td>410.30</td>\n",
+       "      <td>410.24</td>\n",
+       "      <td>410.92</td>\n",
+       "      <td>410.87</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>735</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>02</td>\n",
+       "      <td>43511</td>\n",
+       "      <td>2019.1260</td>\n",
+       "      <td>411.66</td>\n",
+       "      <td>410.90</td>\n",
+       "      <td>411.25</td>\n",
+       "      <td>410.48</td>\n",
+       "      <td>411.66</td>\n",
+       "      <td>410.90</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>736</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>03</td>\n",
+       "      <td>43539</td>\n",
+       "      <td>2019.2027</td>\n",
+       "      <td>412.00</td>\n",
+       "      <td>410.46</td>\n",
+       "      <td>412.25</td>\n",
+       "      <td>410.69</td>\n",
+       "      <td>412.00</td>\n",
+       "      <td>410.46</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>737</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>04</td>\n",
+       "      <td>43570</td>\n",
+       "      <td>2019.2877</td>\n",
+       "      <td>413.52</td>\n",
+       "      <td>410.72</td>\n",
+       "      <td>413.73</td>\n",
+       "      <td>410.92</td>\n",
+       "      <td>413.52</td>\n",
+       "      <td>410.72</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>738</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>05</td>\n",
+       "      <td>43600</td>\n",
+       "      <td>2019.3699</td>\n",
+       "      <td>414.83</td>\n",
+       "      <td>411.42</td>\n",
+       "      <td>414.54</td>\n",
+       "      <td>411.14</td>\n",
+       "      <td>414.83</td>\n",
+       "      <td>411.42</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>739</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>06</td>\n",
+       "      <td>43631</td>\n",
+       "      <td>2019.4548</td>\n",
+       "      <td>413.96</td>\n",
+       "      <td>411.38</td>\n",
+       "      <td>413.91</td>\n",
+       "      <td>411.36</td>\n",
+       "      <td>413.96</td>\n",
+       "      <td>411.38</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>740</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>07</td>\n",
+       "      <td>43661</td>\n",
+       "      <td>2019.5370</td>\n",
+       "      <td>411.85</td>\n",
+       "      <td>411.03</td>\n",
+       "      <td>412.36</td>\n",
+       "      <td>411.57</td>\n",
+       "      <td>411.85</td>\n",
+       "      <td>411.03</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>741</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>08</td>\n",
+       "      <td>43692</td>\n",
+       "      <td>2019.6219</td>\n",
+       "      <td>410.08</td>\n",
+       "      <td>411.62</td>\n",
+       "      <td>410.22</td>\n",
+       "      <td>411.79</td>\n",
+       "      <td>410.08</td>\n",
+       "      <td>411.62</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>742</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>09</td>\n",
+       "      <td>43723</td>\n",
+       "      <td>2019.7068</td>\n",
+       "      <td>408.55</td>\n",
+       "      <td>412.06</td>\n",
+       "      <td>408.49</td>\n",
+       "      <td>412.02</td>\n",
+       "      <td>408.55</td>\n",
+       "      <td>412.06</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>743</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>10</td>\n",
+       "      <td>43753</td>\n",
+       "      <td>2019.7890</td>\n",
+       "      <td>408.43</td>\n",
+       "      <td>412.06</td>\n",
+       "      <td>408.62</td>\n",
+       "      <td>412.23</td>\n",
+       "      <td>408.43</td>\n",
+       "      <td>412.06</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>744</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>11</td>\n",
+       "      <td>43784</td>\n",
+       "      <td>2019.8740</td>\n",
+       "      <td>410.29</td>\n",
+       "      <td>412.56</td>\n",
+       "      <td>410.21</td>\n",
+       "      <td>412.46</td>\n",
+       "      <td>410.29</td>\n",
+       "      <td>412.56</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>745</th>\n",
+       "      <td>2019</td>\n",
+       "      <td>12</td>\n",
+       "      <td>43814</td>\n",
+       "      <td>2019.9562</td>\n",
+       "      <td>411.85</td>\n",
+       "      <td>412.78</td>\n",
+       "      <td>411.76</td>\n",
+       "      <td>412.67</td>\n",
+       "      <td>411.85</td>\n",
+       "      <td>412.78</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>746</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>01</td>\n",
+       "      <td>43845</td>\n",
+       "      <td>2020.0410</td>\n",
+       "      <td>413.37</td>\n",
+       "      <td>413.32</td>\n",
+       "      <td>412.95</td>\n",
+       "      <td>412.89</td>\n",
+       "      <td>413.37</td>\n",
+       "      <td>413.32</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>747</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>02</td>\n",
+       "      <td>43876</td>\n",
+       "      <td>2020.1257</td>\n",
+       "      <td>414.09</td>\n",
+       "      <td>413.33</td>\n",
+       "      <td>413.87</td>\n",
+       "      <td>413.10</td>\n",
+       "      <td>414.09</td>\n",
+       "      <td>413.33</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>748</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>03</td>\n",
+       "      <td>43905</td>\n",
+       "      <td>2020.2049</td>\n",
+       "      <td>414.51</td>\n",
+       "      <td>412.94</td>\n",
+       "      <td>414.89</td>\n",
+       "      <td>413.30</td>\n",
+       "      <td>414.51</td>\n",
+       "      <td>412.94</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>749</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>04</td>\n",
+       "      <td>43936</td>\n",
+       "      <td>2020.2896</td>\n",
+       "      <td>416.18</td>\n",
+       "      <td>413.35</td>\n",
+       "      <td>416.35</td>\n",
+       "      <td>413.50</td>\n",
+       "      <td>416.18</td>\n",
+       "      <td>413.35</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>750</th>\n",
+       "      <td>2020</td>\n",
+       "      <td>05</td>\n",
+       "      <td>43966</td>\n",
+       "      <td>2020.3716</td>\n",
+       "      <td>417.16</td>\n",
+       "      <td>413.75</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>-99.99</td>\n",
+       "      <td>417.16</td>\n",
+       "      <td>413.75</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "<p>747 rows × 10 columns</p>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "       Yr   Mn      Date        Date        CO2 seasonally          fit  \\\n",
+       "4    1958   03     21259   1958.2027     315.70     314.44       316.18   \n",
+       "5    1958   04     21290   1958.2877     317.45     315.16       317.29   \n",
+       "6    1958   05     21320   1958.3699     317.51     314.71       317.86   \n",
+       "7    1958   06     21351   1958.4548     -99.99     -99.99       317.24   \n",
+       "8    1958   07     21381   1958.5370     315.86     315.19       315.86   \n",
+       "9    1958   08     21412   1958.6219     314.93     316.19       313.99   \n",
+       "10   1958   09     21443   1958.7068     313.21     316.08       312.45   \n",
+       "11   1958   10     21473   1958.7890     -99.99     -99.99       312.43   \n",
+       "12   1958   11     21504   1958.8740     313.33     315.20       313.61   \n",
+       "13   1958   12     21534   1958.9562     314.67     315.43       314.76   \n",
+       "14   1959   01     21565   1959.0411     315.58     315.54       315.62   \n",
+       "15   1959   02     21596   1959.1260     316.49     315.86       316.26   \n",
+       "16   1959   03     21624   1959.2027     316.65     315.38       316.97   \n",
+       "17   1959   04     21655   1959.2877     317.72     315.42       318.08   \n",
+       "18   1959   05     21685   1959.3699     318.29     315.49       318.65   \n",
+       "19   1959   06     21716   1959.4548     318.15     316.03       318.04   \n",
+       "20   1959   07     21746   1959.5370     316.54     315.86       316.67   \n",
+       "21   1959   08     21777   1959.6219     314.80     316.06       314.82   \n",
+       "22   1959   09     21808   1959.7068     313.84     316.73       313.31   \n",
+       "23   1959   10     21838   1959.7890     313.33     316.33       313.32   \n",
+       "24   1959   11     21869   1959.8740     314.81     316.68       314.54   \n",
+       "25   1959   12     21899   1959.9562     315.58     316.35       315.72   \n",
+       "26   1960   01     21930   1960.0410     316.43     316.39       316.61   \n",
+       "27   1960   02     21961   1960.1257     316.98     316.35       317.27   \n",
+       "28   1960   03     21990   1960.2049     317.58     316.28       318.02   \n",
+       "29   1960   04     22021   1960.2896     319.03     316.70       319.14   \n",
+       "30   1960   05     22051   1960.3716     320.04     317.22       319.68   \n",
+       "31   1960   06     22082   1960.4563     319.58     317.48       319.01   \n",
+       "32   1960   07     22112   1960.5383     318.18     317.52       317.60   \n",
+       "33   1960   08     22143   1960.6230     315.90     317.20       315.68   \n",
+       "..    ...  ...       ...         ...        ...        ...          ...   \n",
+       "721  2017   12     43084   2017.9562     406.75     407.68       406.46   \n",
+       "722  2018   01     43115   2018.0411     408.05     408.00       407.58   \n",
+       "723  2018   02     43146   2018.1260     408.34     407.59       408.44   \n",
+       "724  2018   03     43174   2018.2027     409.25     407.72       409.37   \n",
+       "725  2018   04     43205   2018.2877     410.30     407.52       410.80   \n",
+       "726  2018   05     43235   2018.3699     411.30     407.91       411.59   \n",
+       "727  2018   06     43266   2018.4548     410.88     408.31       410.96   \n",
+       "728  2018   07     43296   2018.5370     408.90     408.08       409.43   \n",
+       "729  2018   08     43327   2018.6219     407.10     408.63       407.33   \n",
+       "730  2018   09     43358   2018.7068     405.59     409.08       405.66   \n",
+       "731  2018   10     43388   2018.7890     405.99     409.61       405.84   \n",
+       "732  2018   11     43419   2018.8740     408.12     410.38       407.48   \n",
+       "733  2018   12     43449   2018.9562     409.23     410.15       409.07   \n",
+       "734  2019   01     43480   2019.0411     410.92     410.87       410.30   \n",
+       "735  2019   02     43511   2019.1260     411.66     410.90       411.25   \n",
+       "736  2019   03     43539   2019.2027     412.00     410.46       412.25   \n",
+       "737  2019   04     43570   2019.2877     413.52     410.72       413.73   \n",
+       "738  2019   05     43600   2019.3699     414.83     411.42       414.54   \n",
+       "739  2019   06     43631   2019.4548     413.96     411.38       413.91   \n",
+       "740  2019   07     43661   2019.5370     411.85     411.03       412.36   \n",
+       "741  2019   08     43692   2019.6219     410.08     411.62       410.22   \n",
+       "742  2019   09     43723   2019.7068     408.55     412.06       408.49   \n",
+       "743  2019   10     43753   2019.7890     408.43     412.06       408.62   \n",
+       "744  2019   11     43784   2019.8740     410.29     412.56       410.21   \n",
+       "745  2019   12     43814   2019.9562     411.85     412.78       411.76   \n",
+       "746  2020   01     43845   2020.0410     413.37     413.32       412.95   \n",
+       "747  2020   02     43876   2020.1257     414.09     413.33       413.87   \n",
+       "748  2020   03     43905   2020.2049     414.51     412.94       414.89   \n",
+       "749  2020   04     43936   2020.2896     416.18     413.35       416.35   \n",
+       "750  2020   05     43966   2020.3716     417.16     413.75       -99.99   \n",
+       "\n",
+       "      seasonally          CO2  seasonally  \n",
+       "4         314.90       315.70      314.44  \n",
+       "5         314.98       317.45      315.16  \n",
+       "6         315.06       317.51      314.71  \n",
+       "7         315.14       317.24      315.14  \n",
+       "8         315.21       315.86      315.19  \n",
+       "9         315.28       314.93      316.19  \n",
+       "10        315.35       313.21      316.08  \n",
+       "11        315.40       312.43      315.40  \n",
+       "12        315.46       313.33      315.20  \n",
+       "13        315.51       314.67      315.43  \n",
+       "14        315.57       315.58      315.54  \n",
+       "15        315.63       316.49      315.86  \n",
+       "16        315.69       316.65      315.38  \n",
+       "17        315.76       317.72      315.42  \n",
+       "18        315.84       318.29      315.49  \n",
+       "19        315.93       318.15      316.03  \n",
+       "20        316.02       316.54      315.86  \n",
+       "21        316.12       314.80      316.06  \n",
+       "22        316.21       313.84      316.73  \n",
+       "23        316.30       313.33      316.33  \n",
+       "24        316.39       314.81      316.68  \n",
+       "25        316.47       315.58      316.35  \n",
+       "26        316.55       316.43      316.39  \n",
+       "27        316.64       316.98      316.35  \n",
+       "28        316.71       317.58      316.28  \n",
+       "29        316.79       319.03      316.70  \n",
+       "30        316.86       320.04      317.22  \n",
+       "31        316.92       319.58      317.48  \n",
+       "32        316.97       318.18      317.52  \n",
+       "33        317.01       315.90      317.20  \n",
+       "..           ...          ...         ...  \n",
+       "721       407.36       406.75      407.68  \n",
+       "722       407.51       408.05      408.00  \n",
+       "723       407.67       408.34      407.59  \n",
+       "724       407.82       409.25      407.72  \n",
+       "725       408.00       410.30      407.52  \n",
+       "726       408.19       411.30      407.91  \n",
+       "727       408.41       410.88      408.31  \n",
+       "728       408.65       408.90      408.08  \n",
+       "729       408.90       407.10      408.63  \n",
+       "730       409.18       405.59      409.08  \n",
+       "731       409.44       405.99      409.61  \n",
+       "732       409.72       408.12      410.38  \n",
+       "733       409.98       409.23      410.15  \n",
+       "734       410.24       410.92      410.87  \n",
+       "735       410.48       411.66      410.90  \n",
+       "736       410.69       412.00      410.46  \n",
+       "737       410.92       413.52      410.72  \n",
+       "738       411.14       414.83      411.42  \n",
+       "739       411.36       413.96      411.38  \n",
+       "740       411.57       411.85      411.03  \n",
+       "741       411.79       410.08      411.62  \n",
+       "742       412.02       408.55      412.06  \n",
+       "743       412.23       408.43      412.06  \n",
+       "744       412.46       410.29      412.56  \n",
+       "745       412.67       411.85      412.78  \n",
+       "746       412.89       413.37      413.32  \n",
+       "747       413.10       414.09      413.33  \n",
+       "748       413.30       414.51      412.94  \n",
+       "749       413.50       416.18      413.35  \n",
+       "750       -99.99       417.16      413.75  \n",
+       "\n",
+       "[747 rows x 10 columns]"
+      ]
+     },
+     "execution_count": 44,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "data = raw_data.drop(raw_data[raw_data['      CO2'] == '     -99.99'].index)\n",
+    "data = data.drop([0,1])\n",
+    "data"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  },
   {
    "cell_type": "code",
    "execution_count": null,