WHOLE VOL. NOTES. AUSTRALIA 37 



AUSTRALIA 

 ADELAIDE, SOUTH AUSTRALIA 



Authority. 



Central Bureau of Meteorology, Melbourne, Australia. 

 Site: During the first year or two, observations were made at 

 Sir Charles Todd's private residence in Adelaide 

 and North Adelaide, and for some months in the 

 C^iovernment House grounds, until May, i860, when 

 the present observatory building was completed and 

 the instruments were transferred to their present 

 site. 

 Pressure. 

 Site: 



1856 to i860 May. No records are available of the height 

 of the barometer and the corrections applied to 

 reduce the readings to Mean Sea Level. 

 i860 June to 1924. Height of barometer above IMean Sea 

 Level 140' ft. The values have been corrected to 

 Mean Sea Level. 

 Hours: The values are the means of observations at 9^' and 



Notes: All values have been corrected to normal gravity (Lat. 



45°)- 

 Temperature. 



Exposure: The thermometers were exposed throughout in a 

 modified improved form of the thermometer stand 

 used at Greenwich, the instruments being about 

 5 ft. 6 in. from the ground and well protected from 

 the sun and rain and screened from the sky but 

 otherwise fully exposed to currents of air. 

 Hours: The standard adopted is the mean between the mean 

 daily maximum and the mean daily minimum. 

 Precipitation. 

 Site: 



1839 to i860 May. The records were taken at the residence 



of Sir George Kingston in Grote St. 

 i860 June to 1924. At the Observatory. 

 The records at Grote St. were continued until November 

 1879 so that for over 19 years the two sets of obser- 

 vations were concurrent. During this period the 

 average annual difference between the two gages 



