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Monthly Normals of Meteorological Elements for Hong Kong, August 1971-2000
Monthly Normals of Meteorological Elements for August 1971-2000
| Meteorological Elements |
| ATMOSPHERIC PRESSURE |
Mean |
1005.1 |
hPa |
| Mean Diurnal Range |
3.5 |
hPa |
| AIR TEMPERATURE |
Mean Daily Maximum |
31.1 |
deg. C |
| Mean |
28.4 |
deg. C |
| Mean Daily Minimum |
26.4 |
deg. C |
| RELATIVE HUMIDITY |
Mean |
82 |
% |
| AMOUNT OF CLOUD |
69 |
% |
| RAINFALL |
Total |
444.6 |
mm |
| Duration |
87 |
hours |
Number of
Days with |
0.1 mm
or above |
17.43 |
|
25.0 mm
or above |
5.40 |
|
50.0 mm
or above |
2.40 |
|
| NUMBER OF DAYS WITH THUNDERSTORM |
8.10 |
|
NUMBER OF DAYS WITH FOG
(Visibility < 1000 m) |
0 |
|
SOIL TEMPERATURE
AT 0700 HOURS |
0.5 m |
30.0 |
deg. C |
| 1.0 m |
29.4 |
deg. C |
BRIGHT SUNSHINE
AT KING'S PARK |
Duration |
189.7 |
hours |
| Percentage of Possible |
48 |
% |
WIND
AT WAGLAN ISLAND |
Prevailing Direction |
240 |
degrees |
| Mean Speed |
20.0 |
km/h |
SEA SURFACE TEMPERATURE
AT NORTH POINT AT 0700 HOURS * |
26.5 |
deg. C |
Note : All measurements were made at the Hong Kong Observatory except
where specified.
* 1975 - 2004
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