condition mean min max 4 h after light 2722.0 2722.0 2722.0 8 h after light 2645.95 2434.2 2857.7 12 h after light 2617.1499999999996 2596.7 2637.6 4 h after dark 2543.55 2333.4 2753.7 8 h after dark 2365.9 2306.4 2425.4 12 h after dark 2142.45 2126.5 2158.4