condition	mean	min	max
4 h after light	14.9286095	14.341572	15.515647
8 h after light	16.5957285	16.449591	16.741866
12 h after light	13.960763	13.362951	14.558575
4 h after dark	16.297443	15.277342	17.317544
8 h after dark	16.70392	15.216914	18.190926
12 h after dark	15.801943	15.801943	15.801943