condition	mean	min	max
4 h after light	2.753575	2.27991	3.22724
8 h after light	3.747845	3.46786	4.02783
12 h after light	4.59274	4.35924	4.82624
4 h after dark	5.571835	5.4981	5.64557
8 h after dark	4.098725	4.08756	4.10989
12 h after dark	3.876975	3.71669	4.03726