SURFACE ISOTHERMS -'C 



PhllodalpNa 

 Wilmington 

 Baltlmor* 



Ntwport 



7 lOOfai 



Cap* Hott.ra* not flown 



Wilmingtofu. 



ChorUt 

 Btaufor 

 Sovonnah . 



40*N 



35* 



30» 



sen* 



70»W 



w^ 



Fi^ire 6. — Monthly surface kolherm chart. September 16. 19, 22. 23, 1969. 



12 



