| Rank | Precipitation | Date |
|---|---|---|
| 1 | 7.9 cm | May 29, 2016 |
| 2 | 7.6 cm | August 18, 2016 |
| 3 | 7.4 cm | June 17, 1978 |
| 4 | 7.0 cm | June 29, 1897 |
| 5 | 6.9 cm | July 6, 1994 |
| 6 | 6.9 cm | February 25, 1997 |
| 7 | 6.1 cm | September 22, 1991 |
| 8 | 6.1 cm | July 22, 1995 |
| 9 | 6.1 cm | December 28, 1947 |
| 10 | 6.0 cm | October 6, 1982 |
| 11 | 5.9 cm | October 24, 1892 |
| 12 | 5.6 cm | December 20, 1993 |
| 13 | 5.5 cm | June 10, 1977 |
| 14 | 5.5 cm | July 7, 1989 |
| 15 | 5.4 cm | June 18, 1966 |
| 16 | 5.4 cm | May 22, 1978 |
| 17 | 5.2 cm | September 8, 1912 |
| 18 | 4.9 cm | May 27, 1904 |
| 19 | 4.9 cm | May 25, 1895 |
| 20 | 4.9 cm | June 15, 1972 |