| Rank | Precipitation | Date |
|---|---|---|
| 1 | 7.1 cm | September 14, 1990 |
| 2 | 7.0 cm | June 15, 2022 |
| 3 | 5.8 cm | July 10, 2003 |
| 4 | 5.7 cm | August 6, 1945 |
| 5 | 5.4 cm | June 10, 1928 |
| 6 | 5.4 cm | May 1, 1922 |
| 7 | 5.3 cm | August 17, 1927 |
| 8 | 5.3 cm | August 4, 1989 |
| 9 | 5.1 cm | August 12, 1932 |
| 10 | 4.9 cm | September 5, 1935 |
| 11 | 4.8 cm | June 15, 1949 |
| 12 | 4.8 cm | August 5, 2001 |
| 13 | 4.8 cm | August 12, 1991 |
| 14 | 4.7 cm | July 24, 1960 |
| 15 | 4.7 cm | August 15, 2016 |
| 16 | 4.6 cm | July 10, 1986 |
| 17 | 4.5 cm | August 13, 1948 |
| 18 | 4.5 cm | July 12, 1998 |
| 19 | 4.4 cm | July 14, 1990 |
| 20 | 4.4 cm | May 26, 1984 |
| 20 | 4.4 cm | September 3, 1976 |