condition mean min max 4 h after light 1052.5 1052.5 1052.5 8 h after light 1713.45 1213.9 2213.0 12 h after light 1854.8500000000001 1318.9 2390.8 4 h after dark 2581.05 1447.0 3715.1 8 h after dark 1289.6 807.9 1771.3 12 h after dark 1873.4 1811.0 1935.8