condition mean min max 3 h after light 2.7106033333333333 0.0 8.13181 6 h after light 18.520500000000002 0.0 36.3665 9 h after light 4.73177 0.0 9.15382 12 h after light 8.546966666666666 0.0 20.7868 3 h after dark 14.741166666666667 0.0 44.2235 6 h after dark 6.25837 0.0 11.7111 9 h after dark 18.433046666666666 8.99174 23.7127 12 h after dark 7.41798 0.0 16.4653