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Monthly Normals of Meteorological Elements for Hong Kong, March 1961-1990

Climatological Information Services > Climatological Normals and Extremes > 1961-1990 Normals for Hong Kong (Grouped by month)

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Monthly Normals of Meteorological Elements for Hong Kong,
March 1961-1990
 
Meteorological Elements
ATMOSPHERIC PRESSURE Mean 1016.2 hPa
Mean Diurnal Range 4.2 hPa
AIR TEMPERATURE Mean Daily Maximum 21.3 deg. C
Mean 18.5 deg. C
Mean Daily Minimum 16.5 deg. C
RELATIVE HUMIDITY Mean 81 %
AMOUNT OF CLOUD 76 %
RAINFALL Total 66.9 mm
Duration 89 hours
Number of
Days with
0.1 mm
or above
10.07  
25.0 mm
or above
0.60  
50.0 mm
or above
0.27  
NUMBER OF DAYS WITH THUNDERSTORM 1.83  
NUMBER OF DAYS WITH FOG
(Visibility < 1000 m)
2.37  
SOIL TEMPERATURE
AT 0700 HOURS *
0.5 m 20.4 deg. C
1.0 m 20.7 deg. C
BRIGHT SUNSHINE
AT KING'S PARK
Duration 96.4 hours
Percentage of Possible 26 %
WIND
AT WAGLAN ISLAND
Prevailing Direction 070 degrees
Mean Speed 22.1 km/h
SEA SURFACE TEMPERATURE
AT NORTH POINT AT 0700 HOURS **
17.9 deg. C


Note : All measurements were made at the Hong Kong Observatory except where specified.

 *  1967 - 1996
** 1975 - 2004