| Rank | Precipitation | Date |
|---|---|---|
| 1 | 9.9 cm | July 14, 2021 |
| 2 | 6.8 cm | June 7, 1905 |
| 3 | 6.7 cm | September 26, 1956 |
| 4 | 6.4 cm | October 7, 1982 |
| 5 | 6.3 cm | April 29, 2018 |
| 6 | 6.3 cm | August 26, 1971 |
| 7 | 6.3 cm | August 30, 1968 |
| 8 | 6.1 cm | August 14, 1954 |
| 9 | 5.8 cm | June 30, 1901 |
| 10 | 5.7 cm | July 9, 2014 |
| 11 | 5.7 cm | June 18, 1966 |
| 12 | 5.6 cm | September 27, 2007 |
| 13 | 5.6 cm | July 12, 1930 |
| 14 | 5.5 cm | July 13, 2021 |
| 15 | 5.3 cm | August 12, 1964 |
| 16 | 5.3 cm | August 18, 2011 |
| 16 | 5.3 cm | June 9, 1955 |
| 18 | 5.1 cm | October 27, 1935 |
| 19 | 4.9 cm | July 8, 2014 |
| 20 | 4.9 cm | July 19, 1942 |