| Rank | Precipitation | Date |
|---|---|---|
| 1 | 6.4 cm | October 3, 1964 |
| 2 | 5.0 cm | July 2, 2013 |
| 3 | 5.0 cm | November 8, 1975 |
| 4 | 4.9 cm | February 22, 1961 |
| 5 | 4.7 cm | September 3, 1924 |
| 6 | 4.7 cm | August 31, 1928 |
| 7 | 4.6 cm | January 20, 1925 |
| 8 | 4.5 cm | September 27, 1946 |
| 9 | 4.4 cm | October 4, 1964 |
| 10 | 4.3 cm | August 1, 2001 |
| 11 | 4.3 cm | May 2, 1990 |
| 12 | 4.2 cm | November 2, 2004 |
| 13 | 4.2 cm | December 11, 1935 |
| 14 | 4.1 cm | March 29, 2000 |
| 15 | 4.0 cm | September 21, 2020 |
| 16 | 4.0 cm | October 28, 1971 |
| 17 | 4.0 cm | January 10, 2002 |
| 18 | 3.9 cm | August 26, 2005 |
| 18 | 3.9 cm | January 10, 1952 |
| 20 | 3.8 cm | February 23, 2013 |
| 20 | 3.8 cm | July 23, 2003 |