condition	mean	min	max
4 h after light	5.051093333333333	4.9336199999999995	5.1607400000000005
8 h after light	5.100276666666667	4.98688	5.20098
12 h after light	5.1511000000000005	5.05576	5.22559
4 h after dark	5.21102	5.15216	5.29751
8 h after dark	4.971466666666666	4.8999	5.0202599999999995
12 h after dark	5.08603	5.03028	5.15203