I would have thought Seattle would have made this list. 

The 10 rainiest cities in the U.S. by amount of annual rainfall include:

1. Mobile, Alabama–67 inches average annual rainfall; 59 average annual rainy days
2. Pensacola, Florida–65 inches average annual rainfall; 56 average annual rainy days
3. New Orleans, Louisiana–64 inches average annual rainfall; 59 average annual rainy days
4. West Palm Beach, Florida–63 inches average annual rainfall; 58 average annual rainy days
5. Lafayette, Louisiana–62 inches average annual rainfall; 55 average annual rainy days
6. Baton Rouge, Louisiana–62 inches average annual rainfall; 56 average annual rainy days
7. Miami, Florida–62 inches average annual rainfall; 57 average annual rainy days
8. Port Arthur, Texas–61 inches average annual rainfall; 51 average annual rainy days
9. Tallahassee, Florida–61 inches average annual rainfall; 56 average annual rainy days
10. Lake Charles, Louisiana–58 inches average annual rainfall; 50 average annual rainy days