condition mean min max 4 h after light 1934.9 1934.9 1934.9 8 h after light 1970.3 1910.6 2030.0 12 h after light 2281.8500000000004 2078.3 2485.4 4 h after dark 2062.0 1658.6 2465.4 8 h after dark 1794.9499999999998 1655.8 1934.1 12 h after dark 1646.6999999999998 1574.6 1718.8