condition mean min max 4 h after light 21.326217 21.326217 21.326217 8 h after light 21.82881 21.370819 22.286801 12 h after light 20.809306999999997 17.070593 24.548021 4 h after dark 21.122261 20.42734 21.817182 8 h after dark 24.3925255 20.834123 27.950928 12 h after dark 21.326217 21.326217 21.326217