condition	mean	min	max
4 h after light	19.02375	18.1634	19.8841
8 h after light	32.2164	30.039	34.3938
12 h after light	13.85505	13.3088	14.4013
4 h after dark	2.72147	2.4596	2.92169
8 h after dark	0.5242020000000001	0.451385	0.656891
12 h after dark	2.10147	1.87629	2.30516