condition	mean	min	max
4 h after light	4.40132	4.28066	4.52198
8 h after light	3.5110599999999996	3.07414	3.94798
12 h after light	3.3518749999999997	3.20641	3.49734
4 h after dark	4.02524	3.42026	4.63022
8 h after dark	2.89296	2.83847	2.94745
12 h after dark	3.37197	3.06235	3.68159