| Rank | Precipitation | Date |
|---|---|---|
| 1 | 5.3 cm | August 7, 1966 |
| 2 | 5.0 cm | July 21, 1993 |
| 3 | 4.7 cm | July 30, 1977 |
| 4 | 4.7 cm | May 22, 1983 |
| 5 | 4.5 cm | July 9, 1966 |
| 6 | 4.4 cm | August 7, 1987 |
| 7 | 4.3 cm | August 9, 1991 |
| 8 | 4.2 cm | August 12, 2017 |
| 9 | 3.8 cm | July 28, 2021 |
| 10 | 3.8 cm | July 7, 1968 |
| 11 | 3.7 cm | July 18, 1969 |
| 12 | 3.6 cm | July 25, 2000 |
| 12 | 3.6 cm | September 23, 1983 |
| 14 | 3.5 cm | July 5, 2019 |
| 15 | 3.4 cm | September 27, 1969 |
| 15 | 3.4 cm | September 17, 1968 |
| 17 | 3.2 cm | September 13, 2023 |
| 18 | 3.2 cm | August 12, 1983 |
| 19 | 3.2 cm | August 6, 1967 |
| 20 | 3.1 cm | August 4, 2020 |