| Rank | Precipitation | Date |
|---|---|---|
| 1 | 7.4 cm | August 24, 1946 |
| 2 | 5.7 cm | August 4, 1976 |
| 3 | 5.5 cm | June 21, 1986 |
| 4 | 5.4 cm | July 28, 1970 |
| 5 | 5.2 cm | July 26, 1991 |
| 6 | 5.1 cm | July 16, 1987 |
| 7 | 4.9 cm | June 14, 2017 |
| 7 | 4.9 cm | July 27, 2000 |
| 9 | 4.8 cm | July 11, 2007 |
| 10 | 4.7 cm | July 13, 1954 |
| 11 | 4.5 cm | July 16, 1941 |
| 12 | 4.5 cm | July 24, 1979 |
| 13 | 4.4 cm | June 10, 1993 |
| 14 | 4.3 cm | August 27, 1986 |
| 15 | 4.1 cm | July 1, 2017 |
| 16 | 4.0 cm | September 19, 1988 |
| 17 | 4.0 cm | August 25, 1946 |
| 18 | 4.0 cm | September 4, 2006 |
| 19 | 3.9 cm | July 4, 2019 |
| 20 | 3.8 cm | July 4, 1989 |