condition	mean	min	max
4 h after light	7.633425000000001	5.31097	9.95588
8 h after light	8.304675	8.1582	8.45115
12 h after light	8.51759	8.42018	8.615
4 h after dark	12.801566666666666	11.5706	13.5083
8 h after dark	8.316790000000001	7.76118	8.95341
12 h after dark	10.349753333333332	9.20026	11.6345