condition	mean	min	max
4 h after light	9.278616666666668	9.220410000000001	9.38973
8 h after light	9.548960000000001	9.436860000000001	9.74323
12 h after light	9.429823333333333	9.3434	9.55189
4 h after dark	9.393206666666666	9.251539999999999	9.54477
8 h after dark	9.533100000000001	9.39752	9.67698
12 h after dark	9.44217	9.32635	9.50763