| Rank | Precipitation | Date |
|---|---|---|
| 1 | 8.2 cm | July 4, 1926 |
| 2 | 6.7 cm | June 9, 1955 |
| 3 | 6.7 cm | July 16, 1987 |
| 4 | 6.7 cm | June 19, 1977 |
| 5 | 6.3 cm | June 3, 1981 |
| 6 | 6.2 cm | June 19, 2002 |
| 7 | 5.7 cm | July 8, 2014 |
| 8 | 5.6 cm | August 10, 1981 |
| 9 | 5.3 cm | August 15, 2023 |
| 10 | 5.3 cm | June 10, 1955 |
| 11 | 5.3 cm | August 8, 1939 |
| 12 | 5.2 cm | June 15, 2007 |
| 13 | 5.1 cm | August 4, 2014 |
| 14 | 5.1 cm | May 23, 2016 |
| 15 | 4.9 cm | July 15, 1956 |
| 16 | 4.8 cm | August 11, 1964 |
| 17 | 4.8 cm | May 6, 1948 |
| 18 | 4.8 cm | May 11, 2010 |
| 19 | 4.7 cm | July 5, 1905 |
| 20 | 4.6 cm | July 7, 1906 |