condition	mean	min	max
4 h after light	13.943705999999999	13.309526	14.577886
8 h after light	14.51031	12.463152	16.557468
12 h after light	16.071556	13.899507	18.243605
4 h after dark	15.4049165	12.03304	18.776793
8 h after dark	13.585562	12.506192	14.664932
12 h after dark	14.577886	14.577886	14.577886