condition	mean	min	max
4 h after light	2.017425	1.46186	2.57299
8 h after light	1.94345	1.65289	2.23401
12 h after light	3.25929	2.99919	3.51939
4 h after dark	4.151553333333333	3.26585	4.62933
8 h after dark	3.7190966666666667	3.02345	4.09698
12 h after dark	1.80626	1.25838	2.15945