| Rank | Precipitation | Date |
|---|---|---|
| 1 | 8.8 cm | June 22, 1975 |
| 2 | 6.5 cm | August 10, 1981 |
| 3 | 6.2 cm | July 31, 1963 |
| 4 | 6.1 cm | August 25, 1984 |
| 5 | 6.1 cm | June 15, 1968 |
| 6 | 5.7 cm | June 5, 1992 |
| 7 | 5.5 cm | May 20, 2019 |
| 8 | 5.4 cm | June 3, 1981 |
| 9 | 5.4 cm | December 23, 1967 |
| 10 | 4.6 cm | July 2, 1956 |
| 11 | 4.5 cm | June 9, 1955 |
| 12 | 4.2 cm | August 17, 1950 |
| 13 | 4.2 cm | July 13, 1979 |
| 14 | 4.0 cm | July 25, 2017 |
| 15 | 4.0 cm | June 28, 2021 |
| 16 | 3.9 cm | February 6, 1984 |
| 17 | 3.9 cm | June 5, 2021 |
| 18 | 3.9 cm | July 10, 1956 |
| 19 | 3.8 cm | August 7, 1981 |
| 20 | 3.7 cm | October 7, 1982 |