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Half-monthly normals of Air Temperature and Rainfall recorded
at the Hong Kong Observatory, 1961-1990
| Date |
Air Temperature |
Mean Total Rainfall (mm) |
Mean Maximum (deg.C) |
Mean (deg.C) |
Mean Minimum (deg.C) |
| Jan 01-15 |
18.7 |
15.8 |
13.6 |
9.8 |
| Jan 16-31 |
18.6 |
15.8 |
13.6 |
13.6 |
| Feb 01-15 |
18.2 |
15.5 |
13.5 |
18.8 |
| Feb 16-29 |
19.1 |
16.4 |
14.4 |
29.2 |
| Mar 01-15 |
20.4 |
17.7 |
15.7 |
24.4 |
| Mar 16-31 |
22.1 |
19.3 |
17.3 |
42.5 |
| Apr 01-15 |
23.7 |
21.0 |
19.0 |
85.9 |
| Apr 16-30 |
26.2 |
23.3 |
21.3 |
75.6 |
| May 01-15 |
28.3 |
25.4 |
23.4 |
133.6 |
| May 16-31 |
29.1 |
26.4 |
24.4 |
183.1 |
| Jun 01-15 |
29.6 |
27.1 |
25.2 |
197.7 |
| Jun 16-30 |
31.0 |
28.4 |
26.5 |
178.3 |
| Jul 01-15 |
31.7 |
28.9 |
26.8 |
134.3 |
| Jul 16-31 |
31.5 |
28.6 |
26.4 |
189.2 |
| Aug 01-15 |
31.3 |
28.5 |
26.4 |
180.5 |
| Aug 16-31 |
31.3 |
28.4 |
26.2 |
210.9 |
| Sep 01-15 |
30.9 |
28.0 |
25.8 |
168.8 |
| Sep 16-30 |
29.8 |
27.2 |
25.1 |
130.9 |
| Oct 01-15 |
28.8 |
26.1 |
24.0 |
71.0 |
| Oct 16-31 |
27.0 |
24.3 |
22.3 |
73.8 |
| Nov 01-15 |
25.3 |
22.7 |
20.6 |
20.3 |
| Nov 16-30 |
23.1 |
20.2 |
17.9 |
14.8 |
| Dec 01-15 |
21.2 |
18.3 |
16.0 |
13.1 |
| Dec 16-31 |
19.8 |
17.0 |
14.8 |
14.2 |
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