condition	mean	min	max
4 h after light	15.5527	15.1295	15.9759
8 h after light	24.970399999999998	24.7302	25.2106
12 h after light	20.2134	17.5453	22.8815
4 h after dark	18.150199999999998	16.586	19.5334
8 h after dark	15.275433333333334	14.7323	15.6481
12 h after dark	19.595433333333332	18.9845	19.9192