SURFACE ISOTHERMS -"C 



Baltimore 



lOOfms 



40''N 



Cape HatterasK/i, 



•siC^ 17 18 25-22 



35' 



30° 



Zb'N 



80" W 75° 70°W 



Monthly surface isotherm chart, 29, 30 April-2 May 1975 



Figure 59. 



63 



