date,co2filtered,co2raw,sensor_temp 08-05_1900,nan,nan,nan 08-05_1901,nan,nan,nan 08-05_1902,nan,nan,nan 08-05_1903,nan,nan,nan 08-05_1904,nan,nan,nan 08-05_1905,nan,nan,nan 08-05_1906,nan,nan,nan 08-05_1907,nan,nan,nan 08-05_1908,nan,nan,nan 08-05_1909,nan,nan,nan 08-05_1910,nan,nan,nan 08-05_1911,nan,nan,nan 08-05_1912,nan,nan,nan 08-05_1913,nan,nan,nan 08-05_1914,nan,nan,nan 08-05_1915,nan,nan,nan 08-05_1916,nan,nan,nan 08-05_1917,nan,nan,nan 08-05_1918,nan,nan,nan 08-05_1919,nan,nan,nan 08-05_1920,nan,nan,nan 08-05_1921,nan,nan,nan 08-05_1922,nan,nan,nan 08-05_1923,nan,nan,nan 08-05_1924,nan,nan,nan 08-05_1925,nan,nan,nan 08-05_1926,nan,nan,nan 08-05_1927,nan,nan,nan 08-05_1928,nan,nan,nan 08-05_1929,nan,nan,nan 08-05_1930,nan,nan,nan 08-05_1931,nan,nan,nan 08-05_1932,nan,nan,nan 08-05_1933,nan,nan,nan 08-05_1934,nan,nan,nan 08-05_1935,nan,nan,nan 08-05_1936,nan,nan,nan 08-05_1937,nan,nan,nan 08-05_1938,nan,nan,nan 08-05_1939,nan,nan,nan 08-05_1940,nan,nan,nan 08-05_1941,nan,nan,nan 08-05_1942,nan,nan,nan 08-05_1943,nan,nan,nan 08-05_1944,nan,nan,nan 08-05_1945,nan,nan,nan 08-05_1946,nan,nan,nan 08-05_1947,nan,nan,nan 08-05_1948,nan,nan,nan 08-05_1949,nan,nan,nan 08-05_1950,nan,nan,nan 08-05_1951,nan,nan,nan 08-05_1952,nan,nan,nan 08-05_1953,nan,nan,nan 08-05_1954,nan,nan,nan 08-05_1955,nan,nan,nan 08-05_1956,nan,nan,nan 08-05_1957,nan,nan,nan 08-05_1958,nan,nan,nan 08-05_1959,nan,nan,nan