condition	mean	min	max
4 h after light	4.998035	4.22783	5.76824
8 h after light	4.890365	4.12884	5.65189
12 h after light	2.440625	1.6211	3.26015
4 h after dark	0.667047	0.602781	0.731313
8 h after dark	0.7070315	0.681101	0.732962
12 h after dark	1.246075	1.13915	1.353