condition	mean	min	max
0 h after light	10.00022	9.46114	10.5393
4 h after light	8.45065	7.5572	9.3441
8 h after light	6.94024	6.63536	7.24512
4 h after dark	8.552610000000001	8.36744	8.73778
8 h after dark	8.66492	8.35782	8.97202
12 h after dark	6.62932	6.15077	7.10787