condition mean min max 4 h after light 3525.3 3525.3 3525.3 8 h after light 2723.6000000000004 2676.4 2770.8 12 h after light 2890.1 2371.6 3408.6 4 h after dark 2616.4 2356.4 2876.4 8 h after dark 2423.65 2395.0 2452.3 12 h after dark 2435.8999999999996 2336.7 2535.1