1} INTRODUCTION 33 
Velocity of the Wind 
January a 
February t 
March + 
‘ 5 
April a1 
4 
May 30 
1 
June 3 
1 
July 22 
2 
August 24 
6 
September a1 
2 
October 24 
1 
November 19 
1 
December — 
bo 
is 
* The numerator represents the number of days on which the velocity of 
the wind reached 15 metres per second, and the denominator the number of 
days on which readings were taken. 
+ Observations defective. 
