condition mean min max 4 h after light 2166.5 2166.5 2166.5 8 h after light 2308.1499999999996 2215.2 2401.1 12 h after light 2543.5 2532.5 2554.5 4 h after dark 2414.25 2101.8 2726.7 8 h after dark 2694.55 2516.4 2872.7 12 h after dark 2846.3 2601.7 3090.9