condition	mean	min	max
4 h after light	1.7570385	0.791937	2.72214
8 h after light	2.4412	2.01705	2.86535
12 h after light	1.59303	1.25338	1.93268
4 h after dark	2.942816666666667	2.58061	3.46765
8 h after dark	1.8505466666666668	1.22466	2.29599
12 h after dark	2.32085	1.80154	3.18128