condition	mean	min	max
4 h after light	5.38976	4.98816	5.79136
8 h after light	6.863300000000001	6.79743	6.92917
12 h after light	7.8939449999999995	7.56237	8.22552
4 h after dark	12.254249999999999	10.6095	13.899
8 h after dark	8.465175	7.85405	9.0763
12 h after dark	6.24422	6.12578	6.36266