condition	mean	min	max
0 h after light	2.411525	2.14633	2.67672
4 h after light	2.0370850000000003	1.78526	2.28891
8 h after light	4.91061	4.05754	5.76368
4 h after dark	6.27118	6.00337	6.53899
8 h after dark	4.484815	4.22773	4.7419
12 h after dark	2.8071349999999997	2.36216	3.25211