condition	mean	min	max
4 h after light	5.511715000000001	4.70809	6.31534
8 h after light	7.879395000000001	6.71703	9.04176
12 h after light	5.662965	4.91752	6.40841
4 h after dark	9.1065	8.1086	10.1044
8 h after dark	9.30428	7.74656	10.862
12 h after dark	6.73293	6.32439	7.14147