condition	mean	min	max
0 h after light	11.18895	10.6925	11.6854
4 h after light	8.02692	7.42835	8.62549
8 h after light	9.275054999999998	8.65524	9.89487
4 h after dark	10.52215	10.5014	10.5429
8 h after dark	12.26465	10.5308	13.9985
12 h after dark	6.726485	6.17239	7.28058