condition	mean	min	max
4 h after light	15.918163	15.746379	16.089947
8 h after light	14.720589499999999	14.405277	15.035902
12 h after light	13.9308605	13.337997	14.523724
4 h after dark	15.367941	14.859336	15.876546
8 h after dark	14.717907	14.576478	14.859336
12 h after dark	12.11496	12.11496	12.11496