condition mean min max 4 h after light 5730.1 5730.1 5730.1 8 h after light 7232.849999999999 5676.4 8789.3 12 h after light 8853.599999999999 8392.8 9314.4 4 h after dark 7151.05 5399.5 8902.6 8 h after dark 4436.35 4126.6 4746.1 12 h after dark 3205.25 2455.2 3955.3