condition mean min max 4 h after light 1731.3 1731.3 1731.3 8 h after light 2936.0 1843.7 4028.3 12 h after light 5106.65 4280.7 5932.6 4 h after dark 4517.950000000001 2112.8 6923.1 8 h after dark 2116.45 1497.2 2735.7 12 h after dark 1070.2 643.9 1496.5