condition	mean	min	max
0 h after light	5.02219	4.80608	5.2383
4 h after light	8.998015	8.50735	9.48868
8 h after light	11.977015	7.99663	15.9574
4 h after dark	13.16855	13.0769	13.2602
8 h after dark	11.1065	10.7845	11.4285
12 h after dark	4.463620000000001	3.81904	5.1082