| Rank | Precipitation | Date |
|---|---|---|
| 1 | 9.1 cm | May 22, 1976 |
| 2 | 7.9 cm | June 16, 1948 |
| 3 | 7.7 cm | July 27, 1991 |
| 4 | 6.9 cm | September 3, 1999 |
| 5 | 6.9 cm | August 7, 2007 |
| 6 | 6.9 cm | June 26, 2013 |
| 7 | 6.7 cm | August 11, 1964 |
| 8 | 6.5 cm | October 1, 2013 |
| 9 | 6.0 cm | July 10, 2014 |
| 10 | 6.0 cm | July 2, 1971 |
| 10 | 6.0 cm | September 1, 1959 |
| 12 | 5.9 cm | June 27, 2018 |
| 12 | 5.9 cm | June 14, 1958 |
| 14 | 5.8 cm | July 25, 1973 |
| 15 | 5.5 cm | July 25, 1992 |
| 16 | 5.5 cm | July 8, 1974 |
| 17 | 5.4 cm | May 22, 2023 |
| 17 | 5.4 cm | July 22, 1959 |
| 19 | 5.3 cm | July 26, 2002 |
| 20 | 5.3 cm | June 15, 1946 |