condition	mean	min	max
4 h after light	16.3255585	15.912017	16.7391
8 h after light	17.7284905	17.423954	18.033027
12 h after light	15.457656	15.341526	15.573786
4 h after dark	14.860806499999999	13.62204	16.099573
8 h after dark	16.332321999999998	14.577886	18.086758
12 h after dark	16.394333	16.394333	16.394333