condition	mean	min	max
4 h after light	0.2415825	0.214777	0.268388
8 h after light	9.070435	8.78297	9.3579
12 h after light	17.60785	16.4424	18.7733
4 h after dark	20.53125	18.9636	22.0989
8 h after dark	6.673095	6.3249	7.02129
12 h after dark	1.438105	1.38024	1.49597