condition	mean	min	max
4 h after light	13.74805	13.6946	13.8015
8 h after light	12.045649999999998	11.232	12.8593
12 h after light	15.38665	13.1334	17.6399
4 h after dark	18.026449999999997	17.0538	18.9991
8 h after dark	13.50425	12.2535	14.755
12 h after dark	16.01005	15.04	16.9801