condition	mean	min	max
0 h after light	9.13909	8.87029	9.40789
4 h after light	7.1631350000000005	4.32307	10.0032
8 h after light	7.269545	4.31889	10.2202
4 h after dark	9.89353	9.78326	10.0038
8 h after dark	8.67258	7.08546	10.2597
12 h after dark	5.08394	3.50019	6.66769