condition	mean	min	max
0 h after light	17.9492	16.6107	19.2877
4 h after light	11.58278	8.93306	14.2325
8 h after light	7.626424999999999	4.10845	11.1444
4 h after dark	13.193850000000001	10.3816	16.0061
8 h after dark	15.494250000000001	15.3726	15.6159
12 h after dark	18.07145	16.9654	19.1775