| Rank | Precipitation | Date |
|---|---|---|
| 1 | 6.1 cm | July 16, 1988 |
| 2 | 5.7 cm | July 24, 1993 |
| 3 | 5.6 cm | October 20, 1970 |
| 4 | 4.9 cm | August 12, 1983 |
| 5 | 4.6 cm | August 28, 2023 |
| 6 | 4.5 cm | June 30, 2004 |
| 7 | 4.4 cm | July 31, 1987 |
| 8 | 4.4 cm | August 29, 1995 |
| 9 | 4.3 cm | July 28, 1988 |
| 10 | 4.2 cm | July 6, 1996 |
| 11 | 4.2 cm | August 9, 2005 |
| 12 | 4.2 cm | October 4, 2006 |
| 12 | 4.2 cm | August 17, 1986 |
| 14 | 4.0 cm | August 17, 2004 |
| 15 | 4.0 cm | August 3, 2010 |
| 15 | 4.0 cm | December 18, 1966 |
| 17 | 3.9 cm | September 12, 1962 |
| 18 | 3.8 cm | September 8, 2001 |
| 19 | 3.8 cm | July 7, 1968 |
| 20 | 3.7 cm | August 6, 2005 |
| 20 | 3.7 cm | August 7, 1987 |