condition	mean	min	max
0 h after light	5.967315	5.83701	6.09762
4 h after light	7.41049	3.86588	10.9551
8 h after light	8.82932	3.44834	14.2103
4 h after dark	12.27499	8.51718	16.0328
8 h after dark	14.084	11.0766	17.0914
12 h after dark	6.51873	2.97706	10.0604