condition	mean	min	max
4 h after light	8.504777666666667	4.960708	10.62026
8 h after light	7.098896	1.9130630000000002	10.76385
12 h after light	13.140197	6.899871000000001	19.92963
16 h after light	11.440786666666666	10.093069999999999	12.81533
4 h after dark	7.382365333333333	6.147899	9.040242999999998
8 h after dark	10.815371	6.053623	15.87429