condition	mean	min	max
0 h after light	1.60698	1.45085	1.76311
4 h after light	2.0788599999999997	1.86064	2.29708
8 h after light	2.23857	1.92294	2.5542
4 h after dark	2.19958	2.11097	2.28819
8 h after dark	2.427245	2.06377	2.79072
12 h after dark	1.61306	1.25767	1.96845