condition	mean	min	max
4 h after light	40.9349	39.0964	42.7734
8 h after light	15.17905	15.0713	15.2868
12 h after light	9.28978	8.51546	10.0641
4 h after dark	8.77749	8.16697	9.72453
8 h after dark	16.994433333333333	13.7764	20.9162
12 h after dark	32.31596666666667	31.3268	33.7216