condition	mean	min	max
4 h after light	5.03185	4.45084	5.61286
8 h after light	3.45373	1.41093	5.49653
12 h after light	2.647015	2.62175	2.67228
4 h after dark	3.966826666666667	2.14058	5.8314
8 h after dark	6.16669	5.21747	7.47164
12 h after dark	5.910496666666667	3.10534	7.46486