Meteorological Ohservations. 145 



latitude of Hobart Town is about 57*^ ; and it will be found 

 to be the temperature of all deep wells in the -vicinity. 



The cistern of the Standard Barometer of the Koyal 

 Observatory is 107 feet above the level of the sea, causing a 

 depression in the mercurial column of about ° 1 . 



Qucmtiii/ of Rain tohich fell in 1847, as denoted Inj the 

 Self-registering Rain Gauge at the Observatory. 



Inches. 



January 0'12 



February ,. 0'13 



March 264 



April 1-83 



May 1-46 



June ,. 0'64 



July 1-82 



August 0-60 



September 0'40 



October , 1-74 



November 2"23 



December 0'41 



Total Quantity 14'02 



It is worthy of remark, that the results of six years-' 

 observation with a Self-registering Eain Gauge show 

 alternate wet and dry seasons, viz. — 



Inches. 



In 1842 22"84 was the quantity of rain registered. 



1843 13-20 



1844 24-00 



1846 15-89 



1846 22-58 



1847 14-02 



18-75 mean yearly average. 



There can be little doubt that the position of the Obser- 

 vatory, with a lofty mountain on its windward side (the 



