condition mean min max 4 h after light 2501.3 2501.3 2501.3 8 h after light 2675.35 2414.1 2936.6 12 h after light 2527.4 2481.0 2573.8 4 h after dark 2753.05 2126.4 3379.7 8 h after dark 2687.1000000000004 2421.9 2952.3 12 h after dark 2568.85 2544.2 2593.5