| Rank | Precipitation | Date |
|---|---|---|
| 1 | 8.5 cm | July 27, 1972 |
| 2 | 8.1 cm | September 6, 1968 |
| 3 | 7.8 cm | April 13, 2003 |
| 4 | 7.7 cm | September 4, 1999 |
| 5 | 7.4 cm | July 12, 2009 |
| 6 | 7.3 cm | June 23, 1976 |
| 7 | 7.2 cm | June 17, 1999 |
| 8 | 7.0 cm | July 27, 2018 |
| 9 | 6.7 cm | July 23, 2008 |
| 10 | 6.7 cm | July 2, 1991 |
| 11 | 6.4 cm | July 3, 2017 |
| 12 | 6.3 cm | July 3, 2005 |
| 13 | 6.1 cm | September 5, 2014 |
| 14 | 6.0 cm | May 27, 1990 |
| 15 | 5.7 cm | June 21, 1975 |
| 15 | 5.7 cm | July 22, 1966 |
| 17 | 5.7 cm | July 13, 2000 |
| 18 | 5.6 cm | August 16, 2005 |
| 19 | 5.4 cm | October 5, 2008 |
| 19 | 5.4 cm | August 5, 2006 |