date,co2filtered,co2raw,sensor_temp 08-06_1700,nan,nan,nan 08-06_1701,nan,nan,nan 08-06_1702,nan,nan,nan 08-06_1703,nan,nan,nan 08-06_1704,nan,nan,nan 08-06_1705,nan,nan,nan 08-06_1706,nan,nan,nan 08-06_1707,nan,nan,nan 08-06_1708,nan,nan,nan 08-06_1709,nan,nan,nan 08-06_1710,nan,nan,nan 08-06_1711,nan,nan,nan 08-06_1712,nan,nan,nan 08-06_1713,nan,nan,nan 08-06_1714,nan,nan,nan 08-06_1715,nan,nan,nan 08-06_1716,nan,nan,nan 08-06_1717,nan,nan,nan 08-06_1718,nan,nan,nan 08-06_1719,nan,nan,nan 08-06_1720,nan,nan,nan 08-06_1721,nan,nan,nan 08-06_1722,nan,nan,nan 08-06_1723,nan,nan,nan 08-06_1724,nan,nan,nan 08-06_1725,nan,nan,nan 08-06_1726,nan,nan,nan 08-06_1727,nan,nan,nan 08-06_1728,nan,nan,nan 08-06_1729,nan,nan,nan 08-06_1730,nan,nan,nan 08-06_1731,nan,nan,nan 08-06_1732,nan,nan,nan 08-06_1733,nan,nan,nan 08-06_1734,nan,nan,nan 08-06_1735,nan,nan,nan 08-06_1736,nan,nan,nan 08-06_1737,nan,nan,nan 08-06_1738,nan,nan,nan 08-06_1739,nan,nan,nan 08-06_1740,nan,nan,nan 08-06_1741,nan,nan,nan 08-06_1742,nan,nan,nan 08-06_1743,nan,nan,nan 08-06_1744,nan,nan,nan 08-06_1745,nan,nan,nan 08-06_1746,nan,nan,nan 08-06_1747,nan,nan,nan 08-06_1748,nan,nan,nan 08-06_1749,nan,nan,nan 08-06_1750,nan,nan,nan 08-06_1751,nan,nan,nan 08-06_1752,nan,nan,nan 08-06_1753,nan,nan,nan 08-06_1754,nan,nan,nan 08-06_1755,nan,nan,nan 08-06_1756,nan,nan,nan 08-06_1757,nan,nan,nan 08-06_1758,nan,nan,nan 08-06_1759,nan,nan,nan