| Rank | Precipitation | Date |
|---|---|---|
| 1 | 6.1 cm | August 5, 1988 |
| 2 | 5.2 cm | September 16, 2020 |
| 3 | 5.1 cm | July 4, 1997 |
| 4 | 5.0 cm | July 20, 1974 |
| 5 | 5.0 cm | June 27, 2013 |
| 6 | 5.0 cm | September 18, 2015 |
| 7 | 4.5 cm | August 5, 2022 |
| 8 | 4.4 cm | July 28, 2023 |
| 9 | 3.9 cm | August 7, 2012 |
| 10 | 3.7 cm | August 19, 2022 |
| 11 | 3.7 cm | August 17, 1993 |
| 12 | 3.6 cm | May 2, 2002 |
| 13 | 3.5 cm | August 4, 2010 |
| 14 | 3.4 cm | June 4, 1989 |
| 15 | 3.4 cm | July 25, 2020 |
| 16 | 3.4 cm | August 12, 2017 |
| 17 | 3.3 cm | June 14, 1994 |
| 18 | 3.3 cm | August 19, 1961 |
| 19 | 3.3 cm | August 13, 2016 |
| 20 | 3.2 cm | August 26, 1959 |