condition	mean	min	max
4 h after light	8.3492	6.99801	9.70039
8 h after light	5.580055	5.35399	5.80612
12 h after light	7.6496450000000005	6.98198	8.31731
4 h after dark	11.545300000000001	10.17	12.5789
8 h after dark	11.706986666666667	9.79456	12.7632
12 h after dark	9.349976666666667	6.46245	11.6444