97 



Mr. Vernon, F.R.A.S., read a Paper ''On the Direction 

 of the Wind at Manchester during the Years 1849 to 1861, 

 at 8h. a.m." 



The prevailing winds in the various months are as 

 follows : — 



The mean order of frequency of each wind is as follows : — 



When these figures are referred to the four principal 

 points only, we have 



N = 68-6; E. = 74-0; S. = 105-8; W. = 1158; 



showing a gradual increase towards the W. The mean 

 3'early direction appears to be exactly S.W. 



When the directions of the wind are found for each season 

 of the year, we arrive at the following facts : — 



In the winter months, the S.W". wind predominates. 



