condition	mean	min	max
4 h after light	8.302222221000001	6.35	11.42333333
8 h after light	8.367777778	6.63	9.916666667
12 h after light	11.25222222	9.6	12.25333333
1.5 h after dark	9.354444444333334	6.97	11.73
5.5 h after dark	13.34888889	12.19666667	13.96333333
9.5 h after dark	10.809999999	8.236666667	13.68