condition	mean	min	max
4 h after light	8.241283333333334	8.15978	8.36769
8 h after light	8.244793333333334	8.1567	8.31741
12 h after light	8.38496	8.20763	8.51662
4 h after dark	8.472760000000001	8.29025	8.62451
8 h after dark	8.30631	8.02088	8.62555
12 h after dark	8.280940000000001	8.22071	8.334810000000001