82 Mean Temperature and Density Curves 



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

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



— — Temperatures — Densities 



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

 30 I 1 1 \ 1 1 1 \ 1 1 1 1 "15 30 I 1 1 1 . r , 1 . . , ■ "^15 



25 



25 



30 



25 





20 



14 



10 



- — r^ — I 20 



18 



26 

 24 

 22 



26 

 24 

 22 

 20 

 18 



26 



22 



30 



26 25 



24 20 r«- 



30 



25 



30 



25 



20 



15 - 



26 



24 



28 



26 



30 



28 



26 



28 



