| Rank | Precipitation | Date |
|---|---|---|
| 1 | 8.7 cm | July 13, 1884 |
| 2 | 5.1 cm | July 4, 1932 |
| 3 | 4.7 cm | September 18, 1897 |
| 4 | 4.5 cm | August 5, 1894 |
| 5 | 4.1 cm | June 27, 1989 |
| 6 | 4.0 cm | August 26, 1960 |
| 7 | 3.8 cm | June 10, 1936 |
| 8 | 3.8 cm | July 8, 1958 |
| 9 | 3.8 cm | August 5, 1986 |
| 10 | 3.6 cm | June 4, 1922 |
| 11 | 3.4 cm | June 18, 1998 |
| 12 | 3.4 cm | June 13, 1966 |
| 13 | 3.4 cm | July 14, 1890 |
| 14 | 3.3 cm | August 11, 1928 |
| 15 | 3.2 cm | June 16, 1994 |
| 16 | 3.1 cm | May 9, 2000 |
| 17 | 3.1 cm | June 26, 1928 |
| 18 | 3.1 cm | June 11, 1915 |
| 19 | 3.1 cm | July 19, 1973 |
| 20 | 3.1 cm | August 17, 1937 |