28 



Salinity of Sea Water 



Monthly means in parts per thousand 



The seasonal variation of salinity is here shown graphically for those Coast and Geodetic Survey 

 stations where observations cover five years or more. 



LA JOLLA, CALIF. 

 1925-1945 



%o JAN. 

 34- 



FEB. MAR. APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. 



32 



LOS ANGELES, CALIF. 34- 



1924-1945 



32 



SAN FRANCISCO 



(Fort Point), CALIF. 



1922-1945 



ALAMEDA. CALIF. 

 1939-1945 



CRESCENT CITY, CALIF. 32 

 1933-1945 30 



28 



ASTORIA(Tongue Point).ORE. 

 1925-1945 



TOKELAND, WASH. 

 1935-1939 



RAYMOND, WASH. 

 1935-1942 



