condition	mean	min	max
3 h after light	3.8441033333333334	2.04	6.57344
7 h after light	3.539820833333333	1.5041	5.02333
11 h after light	3.66401	1.66623	6.18924
2 h after dark	3.8168733333333336	1.59167	5.71522
6 h after dark	3.884905	1.50687	6.51228
10 h after dark	4.037405	1.72146	7.32889