| Rank | Precipitation | Date |
|---|---|---|
| 1 | 9.1 cm | August 1, 1955 |
| 2 | 7.7 cm | May 7, 1978 |
| 3 | 7.0 cm | May 9, 1879 |
| 4 | 6.5 cm | June 2, 1903 |
| 5 | 6.4 cm | July 3, 1914 |
| 6 | 6.1 cm | September 7, 2014 |
| 7 | 6.0 cm | December 20, 1993 |
| 8 | 6.0 cm | May 21, 1971 |
| 9 | 5.7 cm | June 8, 2023 |
| 10 | 5.6 cm | June 29, 1934 |
| 11 | 5.6 cm | August 17, 2023 |
| 12 | 5.6 cm | July 19, 2011 |
| 13 | 5.5 cm | January 25, 1995 |
| 14 | 5.5 cm | June 26, 1941 |
| 15 | 5.4 cm | June 5, 2003 |
| 16 | 5.1 cm | June 24, 1896 |
| 17 | 5.1 cm | August 23, 1922 |
| 18 | 5.0 cm | September 2, 1913 |
| 19 | 5.0 cm | October 7, 1960 |
| 20 | 4.9 cm | August 20, 1936 |