Table 7B Relationship of the Albacore Catch and the Slope of the Vertical 

 Distribution of ?Jater Tenperaturos at Each Lcvol (Surf'^co, 

 50 Eeters, 100 Meters) by Honth and Area. 



B. Cases in V.liich No Albacore Were Taken 



Month 



Average Temperature at Each Level C^C) 



5 



6 

 7 

 8 

 9 



10 



Surface (A) 



22.8 



50 loters (E) 



17.3 



100 reters (C) 



15.4 



I.'onth 



Average Difference in Temperature Between* Levels (-C) 



5 



6 

 7 

 8 



9 



10 



A — B 



II 



III 



5.5 



B — C 



1.9 



II 



7.^ 



Ill 



170 



