condition	mean	min	max
0 h after light	10.223335	9.81737	10.6293
4 h after light	8.52381	7.50238	9.54524
8 h after light	4.10732	3.63819	4.57645
4 h after dark	6.94796	6.47788	7.41804
8 h after dark	7.938295	7.83489	8.0417
12 h after dark	10.97155	10.5015	11.4416