condition	mean	min	max
4 h after light	6.820603333333334	3.35768	9.6536
8 h after light	7.51695	2.01516	13.9979
12 h after light	8.55406	3.9745	13.5086
4 h after dark	9.436666666666667	7.27583	11.3825
8 h after dark	7.17022	6.91322	7.39286
12 h after dark	9.16145	7.52157	11.1745