condition mean min max 4 h after light 1857.4096666666667 1630.2420000000002 2234.9629999999997 8 h after light 3714.446 2248.928 4472.6759999999995 12 h after light 2295.6936666666666 1881.007 2805.506 16 h after light 2321.5696666666668 1914.596 2917.5240000000003 4 h after dark 1840.486 1767.0770000000002 1973.235 8 h after dark 907.7271 774.797 1004.2869999999999