date,co2filtered,co2raw,sensor_temp 08-09_0100,nan,nan,nan 08-09_0101,nan,nan,nan 08-09_0102,nan,nan,nan 08-09_0103,nan,nan,nan 08-09_0104,nan,nan,nan 08-09_0105,nan,nan,nan 08-09_0106,nan,nan,nan 08-09_0107,nan,nan,nan 08-09_0108,nan,nan,nan 08-09_0109,nan,nan,nan 08-09_0110,nan,nan,nan 08-09_0111,nan,nan,nan 08-09_0112,nan,nan,nan 08-09_0113,nan,nan,nan 08-09_0114,nan,nan,nan 08-09_0115,nan,nan,nan 08-09_0116,nan,nan,nan 08-09_0117,nan,nan,nan 08-09_0118,nan,nan,nan 08-09_0119,nan,nan,nan 08-09_0120,nan,nan,nan 08-09_0121,nan,nan,nan 08-09_0122,nan,nan,nan 08-09_0123,nan,nan,nan 08-09_0124,nan,nan,nan 08-09_0125,nan,nan,nan 08-09_0126,nan,nan,nan 08-09_0127,nan,nan,nan 08-09_0128,nan,nan,nan 08-09_0129,nan,nan,nan 08-09_0130,nan,nan,nan 08-09_0131,nan,nan,nan 08-09_0132,nan,nan,nan 08-09_0133,nan,nan,nan 08-09_0134,nan,nan,nan 08-09_0135,nan,nan,nan 08-09_0136,nan,nan,nan 08-09_0137,nan,nan,nan 08-09_0138,nan,nan,nan 08-09_0139,nan,nan,nan 08-09_0140,nan,nan,nan 08-09_0141,nan,nan,nan 08-09_0142,nan,nan,nan 08-09_0143,nan,nan,nan 08-09_0144,nan,nan,nan 08-09_0145,nan,nan,nan 08-09_0146,nan,nan,nan 08-09_0147,nan,nan,nan 08-09_0148,nan,nan,nan 08-09_0149,nan,nan,nan 08-09_0150,nan,nan,nan 08-09_0151,nan,nan,nan 08-09_0152,nan,nan,nan 08-09_0153,nan,nan,nan 08-09_0154,nan,nan,nan 08-09_0155,nan,nan,nan 08-09_0156,nan,nan,nan 08-09_0157,nan,nan,nan 08-09_0158,nan,nan,nan 08-09_0159,nan,nan,nan