condition mean min max 4 h after light 66.9006 64.6587 69.1425 8 h after light 51.5273 51.5216 51.533 12 h after light 73.79395 72.3988 75.1891 4 h after dark 112.3735 108.698 116.049 8 h after dark 116.988 116.191 117.785 12 h after dark 103.02449999999999 100.6 105.449