condition	mean	min	max
4 h after light	7.34327	4.32669	11.1689
8 h after light	9.290363333333334	3.92779	13.3629
12 h after light	10.561926666666666	6.59828	15.0515
4 h after dark	16.9095	13.3472	19.7201
8 h after dark	15.3392	13.0006	17.5005
12 h after dark	11.542	10.8544	12.2083