182 



Aa'eeage of Four Years from 1868 to 1871. 



"Rainfall at Old Trafford, Maiichesfcer, in 1871," by G. V. 

 Vernon, F.R.A.S, F.M.S. 



The total amount of rainfall in 1871 was 33*228 inches 

 against 29-551 inches in 1870. The total amount was 2-390 

 inches below the average of the last 78 years. The fall 

 occurred ujDon 182 days against 155 days in 1870, and upon 

 6 days less than the average of the last 10 years. 



Luring the two first quarters of the year the rainfall was 

 in excess, but considerably below the average in the last 

 two quarters, but especially so in the last quarter. 



January, February, April, July, September, and October, 

 had a rainfall in excess of the average of 78 years. The 

 excess in April was remarkable, this month having the 

 smallest mean rauifall, but last year the excess was fully 

 75 per cent. 



March, May, June, August, and November, had a rainfall 

 below the 78 years' average. The falls for August and 

 November were unusually small, the fall for August not 

 reaching one half its usual average, and that for November 

 being deficient of abouc two thirds its usual amount. 



Ill a table annexed I have tabulated the days upon which 

 rain fell during the last ten years, and the figures show that 

 it by no means follows that the montlis in which the least 



