condition mean min max 4 h after light 2404.8 2404.8 2404.8 8 h after light 2824.3 2242.4 3406.2 12 h after light 2077.1 698.9 3455.3 4 h after dark 1712.7 601.1 2824.3 8 h after dark 2355.2 2136.5 2573.9 12 h after dark 1858.65 1678.1 2039.2