Hong Kong 2005
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Appendix 6
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Table 35
(Chapter 14: The Environment)
 
Meteorological Observations
 
              Normals (1961-1990)(1)
 
                  January   July   Whole Year   2005
Air temperature (°C)                      
  Mean maximum         18.6   31.5   25.7   25.4
  Mean         15.8   28.8   23.0   23.3
  Mean minimum         13.6   26.6   20.9   21.4
Mean relative humidity (%)         71   80   77   79
Total rainfall (mm)         23.4   323.5   2 214.3   3 214.5
Total bright sunshine (hours)         152.4   231.1   1 948.1   1 752.3
Mean wind speed (km/h)         24.0   20.0   22.6   22.8
 
 
Note:
(1) The World Meteorological Organization (WMO) defines climatological standard normals as averages of climatological data computed for the following consecutive periods of 30 years: 1 January 1901 to 31 December 1930, 1 January 1931 to 31 December 1960, 1 January 1961 to 31 December 1990, 1 January 1991 to 31 December 2020, etc.
Source:  Hong Kong Observatory.
(Enquiry Telephone No.: 2926 8444)
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