condition	mean	min	max
4 h after light	7.84995	4.75055	11.4093
8 h after light	3.97591	1.83432	5.85209
12 h after light	4.8673	2.57322	7.88945
4 h after dark	4.248903333333333	2.02537	6.3778
8 h after dark	2.4699033333333333	2.34373	2.66326
12 h after dark	6.15457	4.99353	7.87805