date,co2filtered,co2raw,sensor_temp 08-07_1800,nan,nan,nan 08-07_1801,nan,nan,nan 08-07_1802,nan,nan,nan 08-07_1803,nan,nan,nan 08-07_1804,nan,nan,nan 08-07_1805,nan,nan,nan 08-07_1806,nan,nan,nan 08-07_1807,nan,nan,nan 08-07_1808,nan,nan,nan 08-07_1809,nan,nan,nan 08-07_1810,nan,nan,nan 08-07_1811,nan,nan,nan 08-07_1812,nan,nan,nan 08-07_1813,nan,nan,nan 08-07_1814,nan,nan,nan 08-07_1815,nan,nan,nan 08-07_1816,nan,nan,nan 08-07_1817,nan,nan,nan 08-07_1818,nan,nan,nan 08-07_1819,nan,nan,nan 08-07_1820,nan,nan,nan 08-07_1821,nan,nan,nan 08-07_1822,nan,nan,nan 08-07_1823,nan,nan,nan 08-07_1824,nan,nan,nan 08-07_1825,nan,nan,nan 08-07_1826,nan,nan,nan 08-07_1827,nan,nan,nan 08-07_1828,nan,nan,nan 08-07_1829,nan,nan,nan 08-07_1830,nan,nan,nan 08-07_1831,nan,nan,nan 08-07_1832,nan,nan,nan 08-07_1833,nan,nan,nan 08-07_1834,nan,nan,nan 08-07_1835,nan,nan,nan 08-07_1836,nan,nan,nan 08-07_1837,nan,nan,nan 08-07_1838,nan,nan,nan 08-07_1839,nan,nan,nan 08-07_1840,nan,nan,nan 08-07_1841,nan,nan,nan 08-07_1842,nan,nan,nan 08-07_1843,nan,nan,nan 08-07_1844,nan,nan,nan 08-07_1845,nan,nan,nan 08-07_1846,nan,nan,nan 08-07_1847,nan,nan,nan 08-07_1848,nan,nan,nan 08-07_1849,nan,nan,nan 08-07_1850,nan,nan,nan 08-07_1851,nan,nan,nan 08-07_1852,nan,nan,nan 08-07_1853,nan,nan,nan 08-07_1854,nan,nan,nan 08-07_1855,nan,nan,nan 08-07_1856,nan,nan,nan 08-07_1857,nan,nan,nan 08-07_1858,nan,nan,nan 08-07_1859,nan,nan,nan