condition	mean	min	max
0 h after light	7.121065	6.68411	7.55802
4 h after light	7.9254999999999995	7.1596	8.6914
8 h after light	7.66793	7.03859	8.29727
4 h after dark	6.999985000000001	5.64074	8.35923
8 h after dark	7.085145	6.55371	7.61658
12 h after dark	6.909	6.70515	7.11285