| Rank | Precipitation | Date |
|---|---|---|
| 1 | 8.7 cm | May 30, 1940 |
| 2 | 7.1 cm | June 10, 1965 |
| 3 | 7.1 cm | September 4, 1939 |
| 4 | 7.1 cm | September 10, 1940 |
| 5 | 6.6 cm | June 13, 1912 |
| 6 | 6.4 cm | June 7, 1969 |
| 7 | 6.1 cm | December 4, 1900 |
| 8 | 5.8 cm | May 29, 1940 |
| 9 | 5.8 cm | May 21, 1999 |
| 10 | 5.6 cm | November 15, 1947 |
| 11 | 5.5 cm | July 12, 2023 |
| 12 | 5.5 cm | July 2, 1935 |
| 13 | 5.5 cm | July 21, 1912 |
| 14 | 5.4 cm | September 4, 2011 |
| 15 | 5.4 cm | August 5, 1896 |
| 16 | 5.4 cm | September 15, 1939 |
| 17 | 5.3 cm | April 12, 1994 |
| 18 | 5.3 cm | August 31, 1890 |
| 19 | 5.2 cm | July 31, 1977 |
| 20 | 5.2 cm | June 20, 2013 |
| 20 | 5.2 cm | June 6, 1968 |