condition	mean	min	max
4 h after light	9.066755	8.4446	9.68891
8 h after light	7.3054749999999995	7.02782	7.58313
12 h after light	8.95656	8.89089	9.02223
4 h after dark	8.675595000000001	8.60621	8.74498
8 h after dark	12.485800000000001	12.473	12.4986
12 h after dark	11.727799999999998	11.4301	12.0255