condition	mean	min	max
4 h after light	8.5173755	8.316628	8.718123
8 h after light	8.349725	7.734456	8.964994
12 h after light	7.6906955	7.534274	7.847117
4 h after dark	7.955315000000001	7.847117	8.063513
8 h after dark	7.7953814999999995	7.383556	8.207207
12 h after dark	7.847117	7.847117	7.847117