22 smithsonian miscellaneous collections vol. 90 



Precipitation. 



Site: The observations have been taken in the grounds of the 

 Post and Telegraph Office throughout the period. 



SYDNEY, NEW SOUTH WALES 



Pressure. 



Site: The height of the barometer above Mean Sea Level was 

 138 ft. throughout the period. All values have been reduced 

 to Mean Sea Level. 

 Instrument: Wild-Fuess barometer. 

 Hours: The values are hourly means. 

 Temperature. 



Exposure: The thermometers were exposed in a large Stevenson 

 screen. 

 Precipitation. 



Site: Records were taken at the Observatory site throughout. 

 Instrument: An 8-inch rain gage has been in use throughout 

 the period. 



EUROPE 



AUSTRIA 



Authority. 



Zentralanztalt fiir Meteorologie, Wien. The stations remain the 

 same as in volume 79, Smithsonian Misc. Coll. 



BRITISH EMPIRE 



Authority. 



Meteorological Office, Air Ministry, London, England. The sta- 

 tions remain the same as in volume 79, Smithsonian Misc. 

 Coll., except for Edinburgh, which is added because of its 

 long record. The data for this station are found in part III. 



ABERDEEN OBSERVATORY 

 Pressure. 



In consequence of a recent redetermination of the height of the 

 barometer cistern above Mean Sea Level, which is now 

 stated to be 26.0 m and not 26.8 m, the means for the years 

 1866 to 1920 inclusive should be decreased by 0.003 m - 



