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Monthly Normals of Meteorological Elements for Hong Kong, October 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,
October 1961-1990
 
Meteorological Elements
ATMOSPHERIC PRESSURE Mean 1014.0 hPa
Mean Diurnal Range 3.6 hPa
AIR TEMPERATURE Mean Daily Maximum 27.9 deg. C
Mean 25.2 deg. C
Mean Daily Minimum 23.1 deg. C
RELATIVE HUMIDITY Mean 73 %
AMOUNT OF CLOUD 56 %
RAINFALL Total 144.8 mm
Duration 48 hours
Number of
Days with
0.1 mm
or above
8.60  
25.0 mm
or above
1.50  
50.0 mm
or above
0.87  
NUMBER OF DAYS WITH THUNDERSTORM 0.87  
NUMBER OF DAYS WITH FOG
(Visibility < 1000 m)
0  
SOIL TEMPERATURE
AT 0700 HOURS *
0.5 m 27.6 deg. C
1.0 m 28.1 deg. C
BRIGHT SUNSHINE
AT KING'S PARK
Duration 195.0 hours
Percentage of Possible 54 %
WIND
AT WAGLAN ISLAND
Prevailing Direction 090 degrees
Mean Speed 27.6 km/h
SEA SURFACE TEMPERATURE
AT NORTH POINT AT 0700 HOURS **
26.3 deg. C


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

 *  1967 - 1996
** 1975 - 2004