condition mean min max 4 h after light 2645.1 2645.1 2645.1 8 h after light 2857.5 2816.8 2898.2 12 h after light 2457.95 2454.1 2461.8 4 h after dark 2452.45 2438.1 2466.8 8 h after dark 2492.1499999999996 2376.7 2607.6 12 h after dark 2608.05 2504.2 2711.9