| Rank | Precipitation | Date |
|---|---|---|
| 1 | 7.0 cm | June 18, 1998 |
| 2 | 7.0 cm | May 10, 1973 |
| 3 | 6.6 cm | August 25, 1977 |
| 4 | 6.1 cm | July 17, 2016 |
| 5 | 6.1 cm | June 14, 2018 |
| 6 | 5.7 cm | July 19, 1974 |
| 7 | 5.4 cm | July 31, 1962 |
| 8 | 5.3 cm | October 5, 2008 |
| 9 | 5.3 cm | July 28, 2004 |
| 10 | 5.2 cm | June 5, 2008 |
| 11 | 5.2 cm | July 16, 1998 |
| 12 | 5.1 cm | July 1, 1975 |
| 13 | 5.1 cm | September 22, 1984 |
| 14 | 5.1 cm | September 15, 1981 |
| 15 | 4.9 cm | June 19, 1954 |
| 16 | 4.9 cm | July 15, 1981 |
| 17 | 4.7 cm | July 16, 1991 |
| 17 | 4.7 cm | August 19, 1968 |
| 19 | 4.7 cm | August 5, 2005 |
| 20 | 4.6 cm | June 25, 1995 |