condition	mean	min	max
4 h after light	10.61122	9.05494	12.1675
8 h after light	8.813245	8.70191	8.92458
12 h after light	8.60806	7.31972	9.8964
4 h after dark	12.318449999999999	11.363	13.2739
8 h after dark	10.45025	10.3274	10.5731
12 h after dark	10.336005	9.47901	11.193