condition	mean	min	max
0 h after light	9.502109999999998	9.15294	9.85128
4 h after light	7.689715	7.39927	7.98016
8 h after light	7.41958	6.08309	8.75607
4 h after dark	10.7929	10.442	11.1438
8 h after dark	8.605175	8.195	9.01535
12 h after dark	8.62561	8.30968	8.94154