condition	mean	min	max
4 h after light	9.008906	8.8973	9.120512
8 h after light	9.230966500000001	8.02219	10.439743
12 h after light	7.639749999999999	7.529592	7.749908
4 h after dark	8.665002000000001	8.15034	9.179664
8 h after dark	9.2475655	8.780181	9.71495
12 h after dark	8.883753	8.883753	8.883753