condition	mean	min	max
4 h after light	10.147007	9.198231	11.095783
8 h after light	7.782636500000001	7.658461	7.906812
12 h after light	7.991994	7.7877	8.196288
4 h after dark	8.3975595	7.646142	9.148977
8 h after dark	8.3130205	7.847117	8.778924
12 h after dark	7.34062	7.34062	7.34062