condition	mean	min	max
0 h after light	10.85655	10.3412	11.3719
4 h after light	5.27375	5.04956	5.49794
8 h after light	5.12792	4.54908	5.70676
4 h after dark	7.738265	6.15058	9.32595
8 h after dark	7.48421	7.27542	7.693
12 h after dark	8.941905	7.55591	10.3279