condition	mean	min	max
4 h after light	8.046244999999999	7.27805	8.81444
8 h after light	5.7473399999999994	5.68766	5.80702
12 h after light	7.50437	7.06552	7.94322
4 h after dark	8.97218	7.78886	10.1555
8 h after dark	8.93855	8.81752	9.05958
12 h after dark	8.18733	8.00573	8.36893