condition	mean	min	max
4 h after light	17.240479999999998	15.874934	18.606026
8 h after light	17.8049635	17.404292	18.205635
12 h after light	17.592820500000002	17.574837	17.610804
4 h after dark	13.748701	12.779189	14.718213
8 h after dark	16.517391500000002	14.499938	18.534845
12 h after dark	16.504598	16.504598	16.504598