condition	mean	min	max
4 h after light	10.21897	4.62731	14.0694
8 h after light	6.9745	1.94663	12.8803
12 h after light	8.650556666666667	5.29836	14.2605
4 h after dark	10.79866	7.19468	14.987
8 h after dark	9.212913333333333	5.60644	11.9556
12 h after dark	15.187533333333334	14.1071	16.8489