condition mean min max 4 h after light 2037.6 2037.6 2037.6 8 h after light 2511.8999999999996 2075.7 2948.1 12 h after light 3951.1499999999996 3324.9 4577.4 4 h after dark 4762.05 4298.1 5226.0 8 h after dark 3731.1 2989.8 4472.4 12 h after dark 2240.45 1406.7 3074.2