condition mean min max 4 h after light 2311.6 2311.6 2311.6 8 h after light 2349.1499999999996 2321.2 2377.1 12 h after light 2129.75 2016.6 2242.9 4 h after dark 2211.45 2033.3 2389.6 8 h after dark 2399.45 2240.2 2558.7 12 h after dark 2426.7 2306.4 2547.0