condition mean min max 4 h after light 1377.6 1377.6 1377.6 8 h after light 1720.6 1487.7 1953.5 12 h after light 3315.0 1997.5 4632.5 4 h after dark 5098.299999999999 3949.2 6247.4 8 h after dark 4592.6 3880.0 5305.2 12 h after dark 2733.4 1923.3 3543.5