condition	mean	min	max
4 h after light	7.6360600000000005	6.4119	8.86022
8 h after light	6.73279	5.85525	7.61033
12 h after light	7.4580850000000005	7.03882	7.87735
4 h after dark	10.46104	8.59208	12.33
8 h after dark	9.635404999999999	9.28276	9.98805
12 h after dark	10.6863	10.6028	10.7698