condition	mean	min	max
4 h after light	11.093665	9.45223	12.7351
8 h after light	4.9996	4.42854	5.57066
12 h after light	16.341250000000002	13.7756	18.9069
4 h after dark	10.32035	9.671	10.9697
8 h after dark	18.856450000000002	18.6297	19.0832
12 h after dark	15.70345	15.4371	15.9698