150 Meteorological Ohservafiuns. 



on Sundays), down to the 1st of October ; after wliicli dateJ 

 they are deduced from observations taken at five periods 

 in the twenty-four hours ; viz. — the hours 2 and 6 a.m., and 

 2, 6, and 10 p.m. 



The cistern of the standard barometer of the Eoyal 

 Observatory is 107 feet above the level of the mean tide, 

 causing a depression in the mercurial column of about 

 0-1 inch. 



Quantity of Rain uhich fell in 1848, as denoted ly the 

 Self-registering Rain Gauge at the Olscrvatory. 



Inches. 



January r03 



February 0"&0 



March TIG 



April 1-54 



May 4-34 



June r08 



July 2-49 



August 2"66 



September 1*91 



October 1-Cl 



November 3'83 



December 2'22 



Total 23-67 



The results for 1848 tend to confirm the alternation 

 of wet and dry seasons, which has been previously remarked, 



'J 2. Indies. 



1842 22-84 



1843 18-20 



1844 24-00 



1845 15-89 



1846 22-58 



1847 1402 



1848 23-67 



The unfavourable position of the Observatory for a 



