| Rank | Precipitation | Date |
|---|---|---|
| 1 | 12.5 cm | August 9, 1981 |
| 2 | 9.7 cm | July 21, 1992 |
| 3 | 9.3 cm | September 12, 1952 |
| 4 | 8.2 cm | August 8, 1978 |
| 5 | 7.2 cm | September 3, 1977 |
| 6 | 7.1 cm | June 1, 1976 |
| 7 | 6.4 cm | September 29, 1981 |
| 8 | 6.3 cm | July 31, 1970 |
| 9 | 6.3 cm | September 11, 2003 |
| 10 | 6.1 cm | May 24, 1976 |
| 11 | 5.7 cm | April 12, 1994 |
| 12 | 5.7 cm | June 10, 1965 |
| 13 | 5.4 cm | July 21, 1980 |
| 14 | 5.1 cm | July 8, 2014 |
| 15 | 5.0 cm | September 28, 2007 |
| 16 | 5.0 cm | August 11, 2002 |
| 16 | 5.0 cm | July 9, 1954 |
| 18 | 5.0 cm | August 7, 1978 |
| 19 | 5.0 cm | July 13, 2021 |
| 20 | 4.9 cm | May 28, 1985 |