condition	mean	min	max
4 h after light	11.466899999999999	10.1595	12.7743
8 h after light	9.198885	8.63233	9.76544
12 h after light	6.85642	6.78175	6.93109
4 h after dark	8.48667	7.1796	9.57091
8 h after dark	13.1806	12.7592	13.9111
12 h after dark	11.117683333333334	9.93085	12.7844