condition	mean	min	max
4 h after light	3.1854899999999997	2.90373	3.46725
8 h after light	3.0199049999999996	2.1369	3.90291
12 h after light	2.62821	1.77872	3.4777
4 h after dark	7.575196666666667	6.52797	8.60661
8 h after dark	4.81378	3.56958	7.29723
12 h after dark	4.339963333333333	1.83859	6.19034