condition	mean	min	max
4 h after light	6.7951033333333335	4.07558	8.32421
8 h after light	6.246896666666666	2.50857	9.80721
12 h after light	7.25432	4.37008	10.5979
4 h after dark	10.02101	7.80873	11.2917
8 h after dark	9.274413333333333	7.53559	10.3763
12 h after dark	9.33671	8.55183	10.2584