condition	mean	min	max
4 h after light	5.760540000000001	4.93618	6.5849
8 h after light	7.50065	7.02789	7.97341
12 h after light	9.877659999999999	9.58922	10.1661
4 h after dark	12.4855	12.2297	12.7413
8 h after dark	11.961400000000001	11.8743	12.0485
12 h after dark	9.522885	9.32446	9.72131