condition mean min max 4 h after light 3303.7 3303.7 3303.7 8 h after light 1974.6499999999999 1555.1 2394.2 12 h after light 1960.3 1578.9 2341.7 4 h after dark 2014.4 1900.5 2128.3 8 h after dark 1695.55 1612.1 1779.0 12 h after dark 2149.6 1928.7 2370.5