| Rank | Precipitation | Date |
|---|---|---|
| 1 | 11.4 inches | May 9–10, 1943 |
| 2 | 8.7 inches | Oct 12–13, 1981 |
| 3 | 8.4 inches | May 8–9, 1943 |
| 4 | 8.1 inches | Oct 13–14, 1981 |
| 5 | 7.8 inches | Jun 3–4, 1904 |
| 6 | 7.7 inches | Nov 24–25, 1973 |
| 7 | 7.7 inches | Dec 26–27, 2015 |
| 8 | 7.7 inches | Nov 23–24, 1973 |
| 9 | 7.6 inches | Dec 9–10, 1946 |
| 10 | 7.3 inches | Oct 24–25, 2019 |
| 11 | 7.2 inches | May 24–25, 2015 |
| 12 | 7.1 inches | May 23–24, 2015 |
| 13 | 7.1 inches | Jun 4–5, 1904 |
| 14 | 7.0 inches | Sep 21–22, 2018 |
| 15 | 6.9 inches | Dec 23–24, 1932 |
| 16 | 6.9 inches | Jan 27–28, 1916 |
| 17 | 6.9 inches | Dec 8–9, 1946 |
| 18 | 6.8 inches | May 13–14, 1983 |
| 19 | 6.8 inches | Jan 26–27, 1916 |
| 20 | 6.6 inches | Oct 22–23, 1908 |