condition mean min max 4 h after light 1724.9 1724.9 1724.9 8 h after light 1909.3 1684.6 2134.0 12 h after light 2192.75 2022.3 2363.2 4 h after dark 1979.4499999999998 1251.2 2707.7 8 h after dark 1892.75 1783.3 2002.2 12 h after dark 1960.6499999999999 1870.1 2051.2