condition	mean	min	max
0 h after light	7.1554400000000005	5.83117	8.47971
4 h after light	5.472905	5.10011	5.8457
8 h after light	6.20982	4.88266	7.53698
4 h after dark	7.7749749999999995	7.48199	8.06796
8 h after dark	8.180204999999999	6.91229	9.44812
12 h after dark	7.608745	6.85651	8.36098