80 



Mean Temperature and Density Curves 



Monthly mean surface water temperatures (in degrees Celsius) and densities 

 ( tTij ) are presented graphically to show the seasonal variation. 



Temperatures Densities 



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



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

 25 . . . . . . . . . . . . ''IS 



20 

 15 



30 

 25 



20 — — »— ^— . -.^^ t-«^ =J=J = L=^ =^ :-= 1^— 26 



JOHNSTON ATOLL 



24 



28 

 26 

 24 



26 

 24 



