condition	mean	min	max
4 h after light	3.42306	2.87675	3.96937
8 h after light	4.1631339999999994	0.786328	7.53994
12 h after light	3.054225	2.44309	3.66536
4 h after dark	3.8971933333333335	0.0	6.51774
8 h after dark	3.450553333333333	2.68521	4.59732
12 h after dark	2.64996	0.0	4.73591