| Rank | Precipitation | Date |
|---|---|---|
| 1 | 5.0 inches | July 28, 1913 |
| 2 | 4.9 inches | July 19, 1898 |
| 3 | 4.7 inches | May 27, 2011 |
| 4 | 4.5 inches | September 17, 1999 |
| 5 | 4.4 inches | November 4, 1927 |
| 6 | 4.3 inches | August 5, 1989 |
| 7 | 4.1 inches | August 28, 2011 |
| 8 | 3.5 inches | July 12, 1941 |
| 9 | 3.4 inches | June 30, 1973 |
| 10 | 3.4 inches | June 27, 1987 |
| 11 | 3.2 inches | May 20, 2019 |
| 12 | 3.2 inches | September 30, 2015 |
| 13 | 3.2 inches | October 1, 2010 |
| 14 | 3.1 inches | September 13, 1920 |
| 15 | 3.1 inches | July 15, 1997 |
| 15 | 3.1 inches | August 17, 1977 |
| 17 | 3.1 inches | August 11, 1998 |
| 18 | 3.0 inches | September 10, 1924 |
| 19 | 2.9 inches | June 3, 1947 |
| 20 | 2.9 inches | August 12, 1998 |