condition	mean	min	max
4 h after light	9.136635	7.93697	10.3363
8 h after light	35.00555	32.2774	37.7337
12 h after light	106.178	101.546	110.81
4 h after dark	163.138	157.477	168.799
8 h after dark	144.7045	143.857	145.552
12 h after dark	69.29464999999999	66.0016	72.5877