condition	mean	min	max
0 h after light	3.3782550000000002	3.22413	3.53238
4 h after light	3.101075	2.71942	3.48273
8 h after light	8.71228	8.07045	9.35411
4 h after dark	6.410095	5.72752	7.09267
8 h after dark	5.04535	4.83362	5.25708
12 h after dark	3.7627300000000004	3.52748	3.99798