condition	mean	min	max
4 h after light	7.52069	3.69831	9.52885
8 h after light	6.24791	1.46598	9.92406
12 h after light	7.144183333333333	4.58849	9.56784
4 h after dark	10.00792	6.70116	13.081
8 h after dark	7.2322066666666665	3.67474	9.13924
12 h after dark	7.07447	5.46717	9.00391