Extreme Values and Dates of Occurrence of Extremes of Meteorological Elements between 1884-1939 and 1947-2017 for Hong Kong
Month |
Barometric Pressure |
Air Temperature |
Absolute Maximum |
Absolute Minimum |
Absolute Maximum |
Absolute Minimum |
hPa |
Date |
hPa |
Date |
deg. C |
Date |
deg. C |
Date |
January |
1037.7 |
24/01/2016 |
1003.1 |
29/01/1980 |
26.9 |
29/01/1959 |
0.0 |
18/01/1893 |
February |
1032.7 |
01/02/1962 |
998.3 |
19/02/1898 |
28.3 |
25/02/2009 |
2.4 |
11/02/1957 |
March |
1033.9 |
05/03/2005 |
1001.9 |
24/03/1918 |
30.1 |
31/03/1973 |
4.8 |
01/03/1986 |
April |
1028.4 |
09/04/1925
02/04/1991 |
999.9 |
02/04/1924 |
33.4 |
27/04/1956 |
9.9 |
05/04/1969 |
May |
1020.2 |
01/05/1934 |
981.1 |
19/05/1961 |
35.5 |
31/05/1963 |
15.4 |
01/05/1917 |
June |
1014.7 |
12/06/2004 |
973.8 |
09/06/1960 |
35.6 |
01/06/1963 |
19.2 |
02/06/1926 |
July |
1014.8 |
30/07/1934 |
975.8 |
29/07/1896 |
35.7 |
25/07/1968 |
21.7 |
30/07/1989 |
August |
1016.3 |
13/08/1969 |
961.6 |
02/08/1979 |
36.6 |
22/08/2017 |
21.6 |
03/08/1955 |
September |
1018.2 |
26/09/1902
26/09/1987 |
953.2 |
01/09/1962 |
35.2 |
05/09/1963 |
18.4 |
26/09/1935 |
October |
1024.5 |
23/10/1888 |
977.3 |
13/10/1964 |
34.3 |
12/10/1890 |
13.5 |
30/10/1978 |
November |
1033.2 |
26/11/1922 |
974.9 |
10/11/1900 |
31.8 |
19/11/1959 |
6.5 |
26/11/1922 |
December |
1033.5 |
31/12/1913 |
1004.6 |
02/12/1974 |
28.7 |
01/12/1953 |
4.3 |
14/12/1975 |
Year |
1037.7 |
24/01/2016 |
953.2 |
01/09/1962 |
36.6 |
22/08/2017 |
0.0 |
18/01/1893 |
Period of
Record |
1884 - 1939 ; 1947 - 2017 |
Month |
Wind |
Relative Humidity # |
Maximum Gust Peak Speed
at the Hong Kong Observatory |
Maximum Gust Peak Speed
at Waglan Island |
Absolute Minimum |
km/h |
Date |
km/h |
Date |
% |
Date |
January |
96 |
16/01/1961 |
103 |
15/01/1955 |
10 |
16/01/1959 |
February |
103 |
11/02/1960
27/02/1980 |
110 |
19/02/1955 |
13 |
21/02/1955 |
March |
108 |
21/03/1934 |
103 |
31/03/1960 |
16 |
04/03/1977 |
April |
106 |
11/04/1965 |
135 |
11/04/1990 |
22 |
17/04/1922 |
May |
166 |
19/05/1961 |
140 |
28/05/1964 |
23 |
14/05/1955
04/05/1961 |
June |
191 |
09/06/1960 |
194 |
09/06/1960 |
29 |
01/06/1887 |
July |
151 |
13/07/1966 |
158 |
16/07/1973 |
43 |
25/07/1968 |
August |
224 |
17/08/1971 |
209 |
21/08/1968 |
41 |
28/08/1900 |
September |
259 |
01/09/1962 |
234 |
16/09/1999 |
26 |
17/09/1966 |
October |
175 |
13/10/1964 |
184 |
13/10/1964 |
21 |
25/10/1968
28/10/1973
27/10/1991
28/10/1991
17/10/1998 |
November |
155 |
06/11/1954 |
175 |
06/11/1954 |
17 |
16/11/1900
17/11/1971
24/11/1995 |
December |
104 |
09/12/1950 |
108 |
28/12/1991 |
14 |
14/12/1898
31/12/1973 |
Year |
259 |
01/09/1962 |
234 |
16/09/1999 |
10 |
16/01/1959 |
Period of
Record |
1911 - 1939 ;
April 1947 - 2017 |
1953 - 2017 |
April 1884 - 1939 ;
1947 - 2017 |
Month |
Rainfall |
Hourly Maximum |
Daily Maximum |
Monthly/Annual
Maximum |
Monthly/Annual
Minimum |
Maximum Instantaneous
Jardi Rate at King's Park |
mm |
Date |
mm |
Date |
mm |
Year |
mm |
Year |
mm/h |
Date |
January |
37.0 |
05/01/2016 |
99.8 |
26/01/1887 |
266.9 |
2016 |
0.0 |
1914 |
168 |
23/01/1964 |
February |
31.9 |
23/02/1990 |
94.1 |
07/02/2010 |
241.0 |
1983 |
0.0 |
1911 |
244 |
23/02/1990 |
March |
56.0 |
30/03/2014 |
130.0 |
23/03/2002 |
428.0 |
1983 |
1.1 |
1971 |
320* |
24/03/2009 |
April |
92.4 |
30/04/1975 |
237.4 |
19/04/2008 |
547.7 |
2000 |
6.0 |
1994 |
330 |
09/04/2001 |
May |
109.9 |
08/05/1992 |
520.6 |
30/05/1889 |
1241.1 |
1889 |
6.0 |
1963 |
>=347 |
11/05/1972 |
June |
145.5 |
07/06/2008 |
411.3 |
09/06/1998 |
1346.1 |
2008 |
59.7 |
1901 |
320* |
07/06/2008 |
July |
115.1 |
16/07/2006 |
534.1 |
19/07/1926 |
1147.2 |
1994 |
76.9 |
2007 |
329 |
31/07/1995 |
August |
82.1 |
02/08/1979 |
334.2 |
16/08/1982 |
1090.1 |
1995 |
44.2 |
1933 |
320* |
03/08/1955 |
September |
84.0 |
22/09/1948 |
325.5 |
27/09/1965 |
844.2 |
1952 |
16.3 |
1902 |
314 |
03/09/1973
29/09/1981 |
October |
78.7 |
19/10/2016 |
292.2 |
31/10/1923 |
718.4 |
1974 |
0.0 |
1979 |
301 |
13/10/1964 |
November |
46.6 |
03/11/2008 |
149.2 |
17/11/1897 |
224.2 |
1914 |
Trace |
1924
1971
1983 |
144 |
24/11/2013 |
December |
51.7 |
09/12/1931 |
177.3 |
02/12/1974 |
206.9 |
1974 |
0.0 |
1909 |
147 |
29/12/1992 |
Year |
145.5 |
07/06/2008 |
534.1 |
19/07/1926 |
3343.0 |
1997 |
901.1 |
1963 |
>=347 |
11/05/1972 |
Period of
Record |
1884 - 1939 ; 1947 - 2017 |
Note : All measurements were made at the Hong Kong Observatory except where specified. * Upper limit of recorder # Based on hourly manual observations The maximum instantaneous Jardi rate of rainfall in Hong Kong was 513 mm per hour recorded at 0730 hours on 17 August 1971 at Tate's Cairn |