condition	mean	min	max
4 h after light	4.18685	2.14566	6.57621
8 h after light	4.8431	1.03211	8.90052
12 h after light	4.747416666666667	3.05701	6.97313
4 h after dark	6.18888	5.56786	6.70346
8 h after dark	6.4128	5.32265	7.89844
12 h after dark	5.378383333333333	4.92258	6.26326