condition	mean	min	max
4 h after light	4.012305	3.36358	4.66103
8 h after light	3.80151	3.58634	4.01668
12 h after light	4.531575	4.11559	4.94756
4 h after dark	7.66957	6.58038	8.75876
8 h after dark	6.1702449999999995	6.04212	6.29837
12 h after dark	5.345585	5.26705	5.42412