| Rank | Precipitation | Date |
|---|---|---|
| 1 | 8.4 cm | July 21, 1992 |
| 2 | 7.9 cm | July 31, 1970 |
| 3 | 7.6 cm | September 12, 1952 |
| 4 | 7.0 cm | July 16, 2002 |
| 5 | 6.4 cm | June 27, 1958 |
| 6 | 5.7 cm | July 5, 1993 |
| 7 | 5.5 cm | April 12, 1994 |
| 8 | 5.4 cm | August 22, 1975 |
| 9 | 5.2 cm | August 7, 1978 |
| 10 | 5.2 cm | April 27, 1981 |
| 11 | 5.2 cm | September 28, 2007 |
| 12 | 5.1 cm | June 10, 1965 |
| 13 | 4.9 cm | October 7, 2015 |
| 13 | 4.9 cm | July 5, 1992 |
| 15 | 4.7 cm | October 7, 1960 |
| 16 | 4.7 cm | August 11, 2002 |
| 17 | 4.6 cm | April 4, 1976 |
| 18 | 4.6 cm | June 10, 1990 |
| 19 | 4.5 cm | August 7, 2002 |
| 20 | 4.5 cm | August 16, 1953 |