condition	mean	min	max
2 h after light	12.270758333333333	9.08055	16.8403
6 h after light	7.723885	6.57996	11.6929
10 h after light	9.229836666666667	6.71773	15.3532
14 h after light	11.153948333333332	8.21578	14.5082
18 h after light	12.526843333333334	9.57796	14.4071
2 h after dark	10.075875	8.12039	12.126