condition	mean	min	max
4 h after light	4.62196	4.27562	4.9683
8 h after light	3.676475	3.27041	4.08254
12 h after light	4.36114	4.33369	4.38859
4 h after dark	7.968105	7.91248	8.02373
8 h after dark	5.99315	5.15891	6.82739
12 h after dark	6.35976	6.18905	6.53047