METEOROLOGICAL OBSERVATIONS MADE AT WlSLEY. 47 



to a peculiar whiteness of the sky apparently due to a thin veil of 

 haze, which produced a distinct reduction of the brightness and 

 power of the sun's rays. A great variety of suggestions have been 



Jet n. 7e 6 Mar Apr May. June July A UA Sept Oct Nov. Dec. 



Fig. 18, — Difference of the Monthly Means of Temperature, in degrees, 

 and Rainfall, in inches, from the Average. 



made as to its cause, all of them more or less unsatisfactory, but 

 of the reality of the phenomenon there appears little room for 

 doubt. 



The chief features of the year's weather will be readily apprehended 

 from the accompanying diagrams. The first (fig. 18) exhibits the 



