condition mean min max 4 h after light 2575.0 2575.0 2575.0 8 h after light 2321.6 2315.7 2327.5 12 h after light 2339.6 2077.7 2601.5 4 h after dark 2869.2 2680.4 3058.0 8 h after dark 2878.6000000000004 2809.4 2947.8 12 h after dark 2658.1 2655.0 2661.2