| Rank | Precipitation | Date |
|---|---|---|
| 1 | 11.1 cm | June 23, 1933 |
| 2 | 9.0 cm | June 20, 1924 |
| 3 | 7.5 cm | August 27, 1989 |
| 4 | 7.1 cm | July 13, 2014 |
| 5 | 6.9 cm | August 4, 1910 |
| 6 | 6.3 cm | July 22, 1905 |
| 7 | 6.2 cm | August 10, 1917 |
| 8 | 5.8 cm | June 5, 1979 |
| 9 | 5.7 cm | July 18, 1955 |
| 10 | 5.6 cm | August 12, 1964 |
| 11 | 5.6 cm | July 5, 1906 |
| 12 | 5.4 cm | July 13, 1941 |
| 13 | 5.4 cm | September 18, 1914 |
| 14 | 5.3 cm | August 3, 1960 |
| 15 | 5.0 cm | August 13, 1924 |
| 16 | 4.9 cm | July 11, 1954 |
| 17 | 4.9 cm | July 8, 2021 |
| 18 | 4.8 cm | August 22, 1966 |
| 19 | 4.7 cm | September 23, 1971 |
| 20 | 4.7 cm | August 7, 2008 |
| 20 | 4.7 cm | September 13, 1995 |