condition	mean	min	max
4 h after light	5.940996666666667	3.50252	7.16591
8 h after light	4.92504	1.26721	8.80063
12 h after light	8.11814	4.64969	10.6351
4 h after dark	12.26637	8.91061	15.2187
8 h after dark	13.805589999999999	7.51757	18.0555
12 h after dark	13.5974	12.3488	15.9988