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Half-month Extremes of Air Temperature and Rainfall between
1884-1939 and 1947-2007 observed at the Hong Kong Observatory
| Date |
Air Temperature |
Maximum of
Mean |
Minimum of
Mean |
Maximum of
Mean Maximum |
Minimum of
Mean Minimum |
| deg. C |
Year |
deg. C |
Year |
deg. C |
Year |
deg. C |
Year |
| Jan 01-15 |
19.8 |
1998 |
10.9 |
1900 |
22.1 |
1998 |
8.3 |
1900 |
| Jan 16-31 |
18.7 |
1999 |
11.0 |
1993 |
21.4 |
1969 |
8.9 |
1993 |
| Feb 01-15 |
19.2 |
2007 |
10.8 |
1968 |
22.2 |
2007 |
8.4 |
1968 |
| Feb 16-29 |
20.6 |
1979 |
11.4 |
1885 |
22.9 |
1979 |
10.0 |
1947 |
| Mar 01-15 |
22.2 |
1960 |
11.7 |
1936 |
26.0 |
1960 |
10.0 |
1936 |
| Mar 16-31 |
22.0 |
2002 |
15.6 |
1905 |
25.1 |
1972 |
13.6 |
1895 |
| Apr 01-15 |
24.5 |
1981 |
16.8 |
1925 |
26.9 |
1981 |
14.9 |
1925 |
| Apr 16-30 |
26.8 |
1994 |
19.4 |
1953 |
29.7 |
1994 |
17.2 |
1953 |
| May 01-15 |
27.7 |
1977 |
22.3 |
1896 |
31.8 |
1977 |
20.6 |
1896 |
| May 16-31 |
29.0 |
1963 |
24.0 |
1917 |
33.4 |
1963 |
22.3 |
1957 |
| Jun 01-15 |
29.2 |
1996 |
23.9 |
1926 |
32.0 |
1996 |
22.5 |
1926 |
| Jun 16-30 |
29.8 |
2004 |
26.4 |
1891 |
32.8 |
1961 |
24.6 |
1891 |
| Jul 01-15 |
30.0 |
1983 |
26.9 |
1886 |
33.2 |
1978 |
24.7 |
1893 |
| Jul 16-31 |
30.2 |
1998 |
26.5 |
1893 |
33.3 |
2007 |
24.2 |
1893 |
| Aug 01-15 |
29.7 |
1966 |
26.2 |
1918 |
32.8 |
1966 |
24.3 |
1890 |
| Aug 16-31 |
29.6 |
1998 |
26.1 |
1887 |
33.4 |
1962 |
24.2 |
1887 |
| Sep 01-15 |
29.6 |
1969 |
25.3 |
1903 |
33.1 |
1969 |
23.8 |
1903 |
| Sep 16-30 |
28.9 |
2001 |
24.7 |
1935 |
31.9 |
1983 |
22.7 |
1892 |
| Oct 01-15 |
27.7 |
1999 |
23.0 |
1898 |
30.5 |
1974 |
20.6 |
1898 |
| Oct 16-31 |
26.2 |
2006 |
22.3 |
1919 |
29.0 |
2006 |
19.6 |
1931 |
| Nov 01-15 |
25.1 |
2005 |
19.7 |
1895 |
27.6 |
1972 |
16.9 |
1895 |
| Nov 16-30 |
23.1 |
1997 |
16.5 |
1976 |
25.7 |
1968 |
13.5 |
1956 |
| Dec 01-15 |
22.8 |
1968 |
14.7 |
1952 |
25.7 |
1968 |
11.1 |
1952 |
| Dec 16-31 |
20.0 |
1968 |
13.0 |
1975 |
22.2 |
1890 |
9.8 |
1975 |
| Date |
Air Temperature |
Rainfall |
Absolute
Maximum |
Absolute
Minimum |
Maximum
Total |
Minimum
Total |
| deg. C |
Date |
deg. C |
Date |
mm |
Date |
mm |
Date * |
| Jan 01-15 |
26.8 |
13/01/1966 |
2.2 |
15/01/1893 |
102.6 |
1916 |
0.0 |
1986 |
| Jan 16-31 |
26.9 |
29/01/1959 |
0.0 |
18/01/1893 |
213.9 |
1887 |
0.0 |
1963 |
| Feb 01-15 |
27.8 |
13/02/1953 |
2.4 |
11/02/1957 |
167.2 |
1985 |
0.0 |
1913 |
| Feb 16-29 |
27.8 |
27/02/1973 |
4.2 |
26/02/1974 |
194.3 |
1990 |
0.0 |
1911 |
| Mar 01-15 |
29.7 |
10/03/1960 |
4.8 |
01/03/1986 |
194.9 |
1983 |
0.0 |
1899 |
| Mar 16-31 |
30.1 |
31/03/1973 |
7.7 |
21/03/1896 |
240.4 |
1905 |
Trace |
1980 |
| Apr 01-15 |
31.0 |
14/04/1960 |
9.9 |
05/04/1969 |
477.6 |
1992 |
Trace |
1956 |
| Apr 16-30 |
33.4 |
27/04/1956 |
12.8 |
16/04/1934 |
371.7 |
1885 |
Trace |
1987 |
| May 01-15 |
33.9 |
14/05/1963 |
15.4 |
01/05/1917 |
527.6 |
1972 |
0.6 |
1935 |
| May 16-31 |
35.5 |
31/05/1963 |
18.3 |
22/05/1960 |
1231.6 |
1889 |
3.5 |
1995 |
| Jun 01-15 |
35.6 |
01/06/1963 |
19.2 |
02/06/1926 |
858.1 |
1959 |
9.3 |
1903 |
| Jun 16-30 |
34.8 |
22/06/1980 |
20.5 |
17/06/1958 |
683.7 |
1892 |
4.5 |
1961 |
| Jul 01-15 |
35.0 |
10/07/1980 |
22.3 |
03/07/1893 |
547.1 |
1997 |
18.4 |
1983 |
| Jul 16-31 |
35.7 |
25/07/1968 |
21.7 |
30/07/1989 |
770.6 |
1994 |
3.7 |
1928 |
| Aug 01-15 |
35.3 |
03/08/2007 |
21.6 |
03/08/1955 |
816.3 |
1995 |
6.4 |
1900 |
| Aug 16-31 |
36.1 |
19/08/1900
18/08/1990 |
21.7 |
31/08/1952 |
757.2 |
2005 |
0.4 |
1933 |
| Sep 01-15 |
35.2 |
05/09/1963 |
20.7 |
12/09/2006 |
484.3 |
2001 |
4.6 |
1902 |
| Sep 16-30 |
34.4 |
17/09/1892 |
18.4 |
26/09/1935 |
593.4 |
1993 |
0.0 |
1966 |
| Oct 01-15 |
34.3 |
12/10/1890 |
15.7 |
15/10/1927 |
476.0 |
1995 |
0.0 |
1979 |
| Oct 16-31 |
33.2 |
16/10/1939 |
13.5 |
30/10/1978 |
695.4 |
1974 |
0.0 |
1979 |
| Nov 01-15 |
30.6 |
07/11/1939
10/11/1953 |
11.1 |
14/11/1913
15/11/1913 |
152.0 |
1914 |
0.0 |
1997 |
| Nov 16-30 |
31.8 |
19/11/1959 |
6.5 |
26/11/1922 |
184.6 |
1897 |
0.0 |
1992 |
| Dec 01-15 |
28.7 |
01/12/1953 |
4.3 |
14/12/1975 |
203.4 |
1974 |
0.0 |
1989 |
| Dec 16-31 |
26.9 |
28/12/1890 |
4.6 |
28/12/1991 |
174.3 |
1971 |
0.0 |
2003 |
* Only the latest occurrence is listed
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