| Rank | Precipitation | Date |
|---|---|---|
| 1 | 8.2 cm | May 29, 2018 |
| 2 | 7.4 cm | July 31, 1917 |
| 3 | 6.3 cm | June 27, 1972 |
| 4 | 5.6 cm | July 3, 2009 |
| 5 | 5.5 cm | September 5, 1948 |
| 6 | 5.5 cm | July 3, 1952 |
| 7 | 5.2 cm | September 24, 1988 |
| 8 | 5.0 cm | August 14, 1954 |
| 9 | 4.8 cm | July 16, 1932 |
| 9 | 4.8 cm | June 7, 1905 |
| 11 | 4.8 cm | July 2, 1914 |
| 12 | 4.8 cm | May 30, 1999 |
| 12 | 4.8 cm | June 18, 1966 |
| 14 | 4.7 cm | December 3, 1960 |
| 15 | 4.7 cm | February 6, 1984 |
| 16 | 4.6 cm | June 11, 1937 |
| 17 | 4.5 cm | June 22, 2023 |
| 18 | 4.4 cm | June 10, 2007 |
| 18 | 4.4 cm | August 1, 1948 |
| 20 | 4.4 cm | August 28, 1996 |