condition mean min max 4 h after light 2397.1 2397.1 2397.1 8 h after light 2074.85 1926.8 2222.9 12 h after light 1893.3000000000002 1874.7 1911.9 4 h after dark 1952.15 1903.1 2001.2 8 h after dark 1962.7 1852.5 2072.9 12 h after dark 2221.55 2058.8 2384.3