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Monthly Normals and Extreme Values for Hong Kong in February
Monthly Normals of Meteorological Elements for February 1981-2010,
with Extreme Values between 1884-1939 and 1947-2011 for Hong Kong
 
Meteorological Elements Date on which
extreme value
was recorded
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ATMOSPHERIC
PRESSURE
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Absolute Maximum
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1032.7
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hPa
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1/2/1962
Mean 1018.5 hPa  
Absolute Minimum 998.3 hPa 19/2/1898
Mean Diurnal Range 4.2 hPa  
AIR TEMPERATURE Absolute Maximum 28.3 deg. C 25/2/2009
Mean Daily Maximum 18.9 deg. C  
Mean 16.8 deg. C  
Mean Daily Minimum 15.0 deg. C  
Absolute Minimum 2.4 deg. C 11/2/1957
RELATIVE HUMIDITY Mean 80 %  
Absolute Minimum 13 % 21/2/1955
AMOUNT OF CLOUD 74 %  
RAINFALL Total 54.4 mm  
Duration 89 hours  
Number of
Days with
0.1 mm
or above
9.07    
25.0 mm
or above
0.53    
50.0 mm
or above
0.10    
Maximum Hourly 31.9 mm 23/2/1990
Maximum Daily 94.1 mm 7/2/2010
Maximum Monthly 241.0 mm 1983
NUMBER OF DAYS WITH THUNDERSTORM 0.87    
NUMBER OF DAYS WITH FOG (Visibility < 1000 m) 1.20    
SOIL TEMPERATURE
AT 0700 HOURS
0.5 m 19.0 deg. C  
1.0 m 19.9 deg. C  
BRIGHT SUNSHINE
AT KING'S PARK
Duration 94.2 hours  
Percentage of Possible 29 %  
WIND
AT WAGLAN ISLAND
Prevailing Direction 070 degrees  
Mean Speed 24.5 km/h  
Maximum Gust # 110 km/h 19/2/1955
SEA SURFACE TEMPERATURE
AT NORTH POINT AT 0700 HOURS
16.8 deg. C  

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

 #  1953 - 2011

Last revision date: <20 Dec 2012>