condition	mean	min	max
4 h after light	5.87748	5.6319	6.12306
8 h after light	3.361605	3.1772	3.54601
12 h after light	3.11233	3.02506	3.1996
4 h after dark	2.75366	2.32395	3.18337
8 h after dark	2.967905	2.80291	3.1329
12 h after dark	4.38595	4.05112	4.72078