452 



TRANSACTIONS OF THE 



Average Prevailing Direction of Wind for Each Month. 



The following table shows the average direction for each month from 

 which the prevailing winds have been observed to blow. The averages 

 are obtained from seven to thirteen years of observations and are for each 

 Signal Service Station on the Pacific Coast. This information is from the 

 annual report of the Chief Signal Officer: 



States and Stations. 



January. 



February. 



March. 



April. 



May. 



June. 



California: 



San Diego 



Los Angeles. 



San Francisco 



Sacramento ... 



Red Bluff 



Cape Mendocino 



Oregon: 



Roseburg .. 



Portland 



Washington Territory: 



Fort Canby 



Olympia 



Tatoosh Island 



Spokane Falls 



Dayton - . . 



Nevada : 



Winnemucca 



Carson City 



N.E. 

 N.E. 



N. 

 S.E. 



N. 

 N.W. 



s.w. 

 s. 



E. 



s. 



N.E,S.W. 

 S.W. 



s.w. 

 s.w. 



N.W. 

 N.E. 



w. 



S.E. 



N. 



N.W. 



N.W. 



S. 



N. 



S. 



E. 

 S.W. 

 S.W. 



S.W. 

 N.W. 



w. 

 w. 

 w. 



s. 

 s, 



S.E. 

 S.W. 



s. 



w. 



s. 



E. 



S.W. 

 S.W. 



s.w. 

 s.w. 



w. 

 w. 

 w. 



s. 

 s. 



N.W. 



N.W. 



s. 



w. 



s. 



E. 



S.W. 



s.w. 



s.w. 

 s.w. 



w. 

 w. 

 w. 



s.w. 

 s. 



N.W. 



N.W. 

 N.W. 



w. 



s. 

 S.W., w. 



s.w. 

 s.w. 



s.w. 



s.w. 



w. 

 w. 



s.w. 

 s. 

 s. 



N.W. 



N. 

 N.W. 



W. 



N.&S.W. 

 S.W. 



s.w. 

 s.w. 



s.w. 

 s.w. 



California: 



San Diego 



Los Angeles .. 



San Francisco 



Sacramento 



Red Bluff 



Cape Mendocino 



Oregon: 



Roseburg 



Portland. 



Washington Territory : 



Fort Canby 



Olympia. 



Tatoosb Island. 



Spokane Falls 



Dayton 



Nevada: 



Winnemucca 



Carson City 



N.E. 

 N.E. 



N. 

 S.E. 



N. 

 N.W. 



S.W. 



s. 



S.E. 



■ S. 



E. 



S.W. 



S.W. 



N.E. 

 S.W. 



