condition	mean	min	max
4 h after light	9.924109999999999	8.92992	10.9183
8 h after light	8.963014999999999	8.32021	9.60582
12 h after light	10.45234	9.74138	11.1633
4 h after dark	11.920233333333334	10.4938	12.9663
8 h after dark	12.6228	11.8431	13.38
12 h after dark	9.696616666666666	8.53825	10.5148