PHYSICAL OCEANOGRAPHY OP THE GULF OF MAINE 



965 



The following tables, supplied by the United States and Canadian weather bu- 

 reaus, show the prevailing winds, by months, for several stations around the coast of 

 the gulf and over the latter. 



Average percentage of winds from each direction {10 year's, 1911 to 1920) 



BOSTON, MASS. 



Month 



North- 

 west 



January 



February 



March 



April , 



May 



June 



July - 



August -- 



September 



October 



NovetQber 



December 



Average for 3 winter months _ 

 Average (or 3 summer months 

 Average for year 



24 

 20 

 21 

 IS 

 13 

 12 

 14 

 18 

 17 

 19 

 27 



25 

 13 

 19 



PORTLAND, ME. 



January'.. 



February' 



March. 



April 



May— 



June 



July 



August' - 



September' _ 



October 



November 



December 



A verage for 3 winter months . . 

 Average for 3 summer months 

 Average for year 



24 

 24 

 23 

 20 

 16 

 16 

 10 

 14 

 20 

 19 

 21 

 28 



25 

 13 

 19 



EASTPOET, ME. 



January 



February.. , 



March 



April - 



May'- — - 



June 



July 2 -— 



August' 



September'.- , 



October 



November 



December 



Average for 3 winter months. 

 Average for 3 summer months 

 Average for year 



21 

 22 

 22 

 17 

 14 

 14 

 9 

 13 

 21 

 21 

 20 

 23 



22 

 12 

 IS 



1 One per cent calm. 

 37755—27 30 



' Two per cent calm. 



