condition	mean	min	max
4 h after light	9.266226666666666	5.92318	11.1599
8 h after light	4.34391	1.67775	7.46717
12 h after light	5.7045699999999995	4.00475	8.16757
4 h after dark	8.423973333333333	7.4101	10.1926
8 h after dark	15.1066	10.2648	19.1085
12 h after dark	17.213266666666666	16.144	17.9703