| Rank | Precipitation | Date |
|---|---|---|
| 1 | 9.3 cm | July 21, 1984 |
| 2 | 8.8 cm | August 25, 1996 |
| 3 | 8.6 cm | August 10, 1951 |
| 4 | 7.1 cm | July 17, 1933 |
| 5 | 6.5 cm | August 12, 1908 |
| 6 | 5.5 cm | August 14, 2006 |
| 7 | 5.5 cm | July 28, 1949 |
| 8 | 5.5 cm | July 1, 1910 |
| 9 | 5.3 cm | August 16, 1903 |
| 10 | 5.3 cm | July 13, 1977 |
| 11 | 5.3 cm | August 8, 1948 |
| 12 | 5.2 cm | September 16, 1972 |
| 12 | 5.2 cm | August 9, 1951 |
| 14 | 5.0 cm | August 22, 1920 |
| 14 | 5.0 cm | July 18, 1877 |
| 16 | 4.9 cm | July 20, 1973 |
| 16 | 4.9 cm | August 15, 1968 |
| 18 | 4.9 cm | January 9, 1861 |
| 19 | 4.9 cm | July 7, 2023 |
| 20 | 4.9 cm | August 26, 1979 |