| Rank | Precipitation | Date |
|---|---|---|
| 1 | 5.3 cm | August 22, 1972 |
| 2 | 4.4 cm | August 19, 1961 |
| 3 | 4.2 cm | June 30, 2004 |
| 4 | 4.1 cm | June 22, 1997 |
| 5 | 4.0 cm | June 21, 2002 |
| 6 | 3.9 cm | May 4, 2002 |
| 7 | 3.7 cm | July 7, 1988 |
| 8 | 3.7 cm | July 3, 2004 |
| 8 | 3.7 cm | July 17, 1988 |
| 10 | 3.7 cm | July 26, 1960 |
| 11 | 3.6 cm | June 14, 1997 |
| 11 | 3.6 cm | July 27, 1988 |
| 13 | 3.6 cm | July 29, 1988 |
| 13 | 3.6 cm | July 30, 1976 |
| 15 | 3.5 cm | July 14, 1977 |
| 16 | 3.5 cm | July 29, 1997 |
| 16 | 3.5 cm | July 31, 1987 |
| 18 | 3.4 cm | September 7, 2001 |
| 19 | 3.4 cm | June 29, 1981 |
| 19 | 3.4 cm | August 17, 1961 |