condition	mean	min	max
0 h after light	8.222045	7.87643	8.56766
4 h after light	5.98121	5.2058	6.75662
8 h after light	7.076945	7.02058	7.13331
4 h after dark	9.556555	9.35439	9.75872
8 h after dark	9.59008	9.31333	9.86683
12 h after dark	7.356630000000001	6.61667	8.09659