condition	mean	min	max
4 h after light	8.8658	8.29157	9.54406
8 h after light	9.120113333333332	8.48719	10.165289999999999
12 h after light	9.063283333333334	8.68544	9.753160000000001
4 h after dark	9.059896666666667	8.580919999999999	9.77518
8 h after dark	8.939216666666667	8.58562	9.55008
12 h after dark	9.036570000000001	8.47183	9.67355