condition mean min max 4 h after light 2579.3 2579.3 2579.3 8 h after light 2366.1 2243.0 2489.2 12 h after light 2234.0 2049.8 2418.2 4 h after dark 2935.9 2381.4 3490.4 8 h after dark 2840.35 2830.1 2850.6 12 h after dark 2625.6000000000004 2532.3 2718.9