condition	mean	min	max
0 h after light	13.25105	13.0631	13.439
4 h after light	9.026295000000001	8.54138	9.51121
8 h after light	8.751885000000001	8.29343	9.21034
4 h after dark	9.657354999999999	9.3437	9.97101
8 h after dark	14.437899999999999	13.2812	15.5946
12 h after dark	12.310649999999999	11.4277	13.1936