condition	mean	min	max
4 h after light	14.827570999999999	14.48658	15.168562
8 h after light	16.215963	14.117243	18.314683
12 h after light	16.240185	15.386526	17.093844
4 h after dark	11.354594500000001	10.867789	11.8414
8 h after dark	13.461365	12.718977	14.203753
12 h after dark	15.996883	15.996883	15.996883