condition mean min max 4 h after light 2050.8 2050.8 2050.8 8 h after light 1741.1999999999998 1664.6 1817.8 12 h after light 1752.6 1635.3 1869.9 4 h after dark 1891.55 1795.8 1987.3 8 h after dark 2332.6 1767.0 2898.2 12 h after dark 2783.2 2754.6 2811.8