TROPICAL CYCLONES IN 2011
TABLE 2.1
MONTHLY DISTRIBUTION OF THE OCCURRENCE OF TROPICAL CYCLONES IN HONG KONG'S AREA OF RESPONSIBILITY ( 10°- 30°N, 105° - 125°E), BASED ON THE FIRST OCCURRENCE OF THE TROPICAL CYCLONE IN THE MONTH
| Year | Month | Total | |||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| 1961 | 3 | 5 | 2 | 5 | 4 | 3 | 1 | 1 | 24 | ||||
| 1962 | 3 | 4 | 5 | 4 | 1 | 3 | 20 | ||||||
| 1963 | 3 | 3 | 3 | 2 | 2 | 13 | |||||||
| 1964 | 1 | 1 | 5 | 3 | 6 | 3 | 6 | 1 | 26 | ||||
| 1965 | 1 | 2 | 3 | 4 | 3 | 2 | 1 | 16 | |||||
| 1966 | 2 | 5 | 2 | 3 | 2 | 2 | 1 | 17 | |||||
| 1967 | 1 | 1 | 1 | 2 | 6 | 1 | 2 | 3 | 17 | ||||
| 1968 | 2 | 4 | 2 | 1 | 3 | 12 | |||||||
| 1969 | 3 | 3 | 4 | 1 | 11 | ||||||||
| 1970 | 1 | 2 | 2 | 3 | 4 | 5 | 3 | 20 | |||||
| 1971 | 1 | 2 | 2 | 5 | 3 | 3 | 4 | 20 | |||||
| 1972 | 1 | 3 | 2 | 4 | 2 | 1 | 1 | 1 | 15 | ||||
| 1973 | 4 | 4 | 2 | 4 | 3 | 17 | |||||||
| 1974 | 3 | 2 | 4 | 2 | 4 | 4 | 2 | 21 | |||||
| 1975 | 1 | 1 | 3 | 2 | 3 | 1 | 1 | 12 | |||||
| 1976 | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 10 | |||||
| 1977 | 1 | 4 | 1 | 3 | 1 | 10 | |||||||
| 1978 | 1 | 1 | 2 | 2 | 4 | 5 | 4 | 1 | 20 | ||||
| 1979 | 1 | 2 | 1 | 3 | 5 | 2 | 2 | 1 | 1 | 18 | |||
| 1980 | 1 | 3 | 1 | 5 | 2 | 3 | 1 | 1 | 17 | ||||
| 1981 | 3 | 3 | 3 | 1 | 1 | 3 | 1 | 15 | |||||
| 1982 | 2 | 1 | 1 | 3 | 3 | 3 | 1 | 2 | 16 | ||||
| 1983 | 1 | 3 | 1 | 3 | 5 | 2 | 15 | ||||||
| 1984 | 2 | 2 | 4 | 2 | 2 | 2 | 14 | ||||||
| 1985 | 2 | 2 | 2 | 4 | 4 | 1 | 15 | ||||||
| 1986 | 1 | 1 | 1 | 4 | 1 | 3 | 3 | 2 | 16 | ||||
| 1987 | 1 | 3 | 2 | 1 | 1 | 3 | 1 | 12 | |||||
| 1988 | 1 | 1 | 3 | 1 | 1 | 2 | 5 | 2 | 1 | 17 | |||
| 1989 | 2 | 1 | 4 | 2 | 4 | 3 | 1 | 17 | |||||
| 1990 | 1 | 4 | 2 | 3 | 3 | 3 | 2 | 18 | |||||
| 1991 | 1 | 1 | 1 | 3 | 2 | 2 | 1 | 3 | 14 | ||||
| 1992 | 2 | 3 | 2 | 2 | 2 | 11 | |||||||
| 1993 | 1 | 1 | 2 | 3 | 2 | 2 | 3 | 14 | |||||
| 1994 | 1 | 1 | 2 | 6 | 5 | 2 | 2 | 1 | 20 | ||||
| 1995 | 1 | 1 | 5 | 5 | 3 | 1 | 1 | 17 | |||||
| 1996 | 1 | 1 | 2 | 3 | 3 | 2 | 1 | 2 | 15 | ||||
| 1997 | 1 | 1 | 4 | 1 | 2 | 1 | 10 | ||||||
| 1998 | 1 | 3 | 4 | 3 | 3 | 1 | 15 | ||||||
| 1999 | 1 | 1 | 1 | 2 | 3 | 2 | 1 | 1 | 12 | ||||
| 2000 | 2 | 1 | 3 | 5 | 3 | 3 | 2 | 1 | 20 | ||||
| 2001 | 1 | 2 | 4 | 2 | 2 | 1 | 1 | 1 | 14 | ||||
| 2002 | 1 | 1 | 3 | 2 | 3 | 10 | |||||||
| 2003 | 1 | 1 | 2 | 2 | 3 | 1 | 1 | 1 | 12 | ||||
| 2004 | 1 | 1 | 3 | 2 | 2 | 2 | 1 | 2 | 1 | 15 | |||
| 2005 | 1 | 2 | 3 | 4 | 3 | 2 | 15 | ||||||
| 2006 | 1 | 1 | 3 | 3 | 4 | 1 | 2 | 1 | 16 | ||||
| 2007 | 1 | 4 | 3 | 1 | 3 | 12 | |||||||
| 2008 | 1 | 2 | 1 | 2 | 3 | 5 | 1 | 2 | 17 | ||||
| 2009 | 2 | 2 | 3 | 2 | 3 | 4 | 1 | 17 | |||||
| 2010 | 3 | 4 | 2 | 2 | 11 | ||||||||
| 2011 | 2 | 3 | 1 | 2 | 2 | 2 | 12 | ||||||
| Average (1961-2010) |
0.1 | 0.0 | 0.1 | 0.2 | 0.8 | 1.4 | 2.6 | 3.1 | 2.7 | 2.1 | 1.7 | 0.6 | 15.6 |
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