condition mean min max 4 h after light 1952.6 1952.6 1952.6 8 h after light 1662.35 1651.9 1672.8 12 h after light 1900.2 1612.5 2187.9 4 h after dark 1989.5 1954.0 2025.0 8 h after dark 1843.6999999999998 1794.3 1893.1 12 h after dark 1863.5 1770.8 1956.2