Hong Kong
Typhoon Sam of the 1999 Pacific typhoon season became the wettest known tropical cyclone to impact the area since records began in 1884, breaking a 73 year old record. A total of 23.98 inches/609 mm of rainfall fell between August 22 and August 25.
| Wettest tropical cyclones in Hong Kong |
|||||
|---|---|---|---|---|---|
| Precipitation | Storm | Location | Ref | ||
| Rank | mm | in | |||
| 1 | 616.5 | 24.27 | Sam 1999 | Hong Kong Observatory | |
| 2 | 597.0 | 23.50 | July 1926 Typhoon | Royal Observatory, Hong Kong | |
| 3 | 562.0 | 22.13 | June 1916 Typhoon | Royal Observatory, Hong Kong | |
| 4 | 530.7 | 20.89 | Agnes 1965 | Royal Observatory, Hong Kong | |
| 5 | 519.0 | 20.43 | Agnes 1978 | Royal Observatory, Hong Kong | |
| 6 | 516.1 | 20.32 | Ellen 1976 | Royal Observatory, Hong Kong | |
| 7 | 497.5 | 19.59 | Dot 1993 | Royal Observatory, Hong Kong | |
| 8 | 491.7 | 19.36 | Dot 1982 | Royal Observatory, Hong Kong | |
| 9 | 480.9 | 18.93 | Helen 1995 | Royal Observatory, Hong Kong | |
| 10 | 473.2 | 18.63 | August 1904 Typhoon | Royal Observatory, Hong Kong | |
Read more about this topic: China Tropical Cyclone Rainfall Climatology