condition	mean	min	max
0 h after light	9.04481	8.88677	9.20285
4 h after light	5.7002749999999995	5.6821	5.71845
8 h after light	6.736075	6.69578	6.77637
4 h after dark	7.706305	7.1418	8.27081
8 h after dark	7.686920000000001	7.04291	8.33093
12 h after dark	8.13989	7.39858	8.8812