| Rank | Precipitation | Date |
|---|---|---|
| 1 | 7.0 inches | July 8, 1960 |
| 2 | 6.4 inches | June 5, 1985 |
| 3 | 5.3 inches | May 4, 2001 |
| 4 | 4.0 inches | May 28, 1967 |
| 5 | 3.9 inches | July 17, 2013 |
| 6 | 3.8 inches | May 21, 1977 |
| 7 | 3.7 inches | May 17, 1962 |
| 8 | 3.7 inches | May 17, 1951 |
| 9 | 3.5 inches | February 17, 1911 |
| 10 | 3.4 inches | May 26, 2019 |
| 11 | 3.4 inches | September 13, 1989 |
| 12 | 3.4 inches | June 27, 2021 |
| 12 | 3.4 inches | October 2, 1998 |
| 14 | 3.2 inches | July 26, 1985 |
| 14 | 3.2 inches | March 27, 1929 |
| 16 | 3.2 inches | May 7, 1947 |
| 17 | 3.1 inches | October 9, 1926 |
| 17 | 3.1 inches | June 7, 1918 |
| 19 | 2.9 inches | May 24, 1937 |
| 20 | 2.8 inches | October 6, 2004 |