condition	mean	min	max
4 h after light	4.83992	4.29056	5.38928
8 h after light	4.414305000000001	4.14297	4.68564
12 h after light	7.64545	6.31349	8.97741
4 h after dark	13.5089	12.9383	14.4686
8 h after dark	11.7175	10.3242	12.6241
12 h after dark	8.59097	7.03783	10.3339