date,co2filtered,co2raw,sensor_temp 06-07_1700,nan,nan,nan 06-07_1701,nan,nan,nan 06-07_1702,nan,nan,nan 06-07_1703,nan,nan,nan 06-07_1704,nan,nan,nan 06-07_1705,nan,nan,nan 06-07_1706,nan,nan,nan 06-07_1707,nan,nan,nan 06-07_1708,nan,nan,nan 06-07_1709,nan,nan,nan 06-07_1710,nan,nan,nan 06-07_1711,nan,nan,nan 06-07_1712,nan,nan,nan 06-07_1713,nan,nan,nan 06-07_1714,nan,nan,nan 06-07_1715,nan,nan,nan 06-07_1716,nan,nan,nan 06-07_1717,nan,nan,nan 06-07_1718,nan,nan,nan 06-07_1719,nan,nan,nan 06-07_1720,nan,nan,nan 06-07_1721,nan,nan,nan 06-07_1722,nan,nan,nan 06-07_1723,nan,nan,nan 06-07_1724,nan,nan,nan 06-07_1725,nan,nan,nan 06-07_1726,nan,nan,nan 06-07_1727,nan,nan,nan 06-07_1728,nan,nan,nan 06-07_1729,nan,nan,nan 06-07_1730,nan,nan,nan 06-07_1731,nan,nan,nan 06-07_1732,nan,nan,nan 06-07_1733,nan,nan,nan 06-07_1734,nan,nan,nan 06-07_1735,nan,nan,nan 06-07_1736,nan,nan,nan 06-07_1737,nan,nan,nan 06-07_1738,nan,nan,nan 06-07_1739,nan,nan,nan 06-07_1740,nan,nan,nan 06-07_1741,nan,nan,nan 06-07_1742,nan,nan,nan 06-07_1743,nan,nan,nan 06-07_1744,nan,nan,nan 06-07_1745,nan,nan,nan 06-07_1746,nan,nan,nan 06-07_1747,nan,nan,nan 06-07_1748,nan,nan,nan 06-07_1749,nan,nan,nan 06-07_1750,nan,nan,nan 06-07_1751,nan,nan,nan 06-07_1752,nan,nan,nan 06-07_1753,nan,nan,nan 06-07_1754,262.32,262.6,4.82 06-07_1755,263.8,263.87,4.85 06-07_1756,263.33,263.85,4.83 06-07_1757,262.68,262.1,4.83 06-07_1758,262.62,262.6,4.83 06-07_1759,262.75,262.3,4.85