condition	mean	min	max
4 h after light	15.259549999999999	14.3339	16.1852
8 h after light	10.086400000000001	10.032	10.1408
12 h after light	9.817285	9.01597	10.6186
4 h after dark	12.426300000000001	11.0966	13.756
8 h after dark	12.34655	12.1838	12.5093
12 h after dark	14.2741	14.044	14.5042