condition	mean	min	max
4 h after light	19.0392	18.2797	19.7987
8 h after light	14.08995	13.457	14.7229
12 h after light	16.871199999999998	14.1243	19.6181
4 h after dark	22.5912	22.2184	22.964
8 h after dark	25.02005	24.7648	25.2753
12 h after dark	24.103949999999998	22.659	25.5489