NO. 4 TEMPERATURE VARIATIONS IN THE NORTH ATLANTIC 



59 



... ■... . -. ...1... .-.■ii.rm-rmiiMn m,i. ■■» .,!■.. , , H.J i I ,1^1, I , Nil., 'I M' ' ,-.- 



Figure 25. Temperatures of the same 4° longitude fields as in figure 23 

 a the second decade group March 15 to April 13, 1898 to 1910, 



Marz — April. 



Figure 26. Temperature anomalies for the same 4° longitude fields and 

 for the same time as in figure 23. 



7O-66'\66-62'\62-53°lS3-S^'\5'f-SO'\i0-'f6°i'>^-'^Z'l'.'2-33°l^8-3^'\3''-3O'[S0-!6^^ 



<^i^lT\ ° ^/ITgN' 



Figure 27. Difference of the surface temperatures in tenths of a degree 

 Centigrade in February and March-April for 4° longitude fields along the 

 shipping course Channel to New York. 14 designates warming from February 

 to March-April, 14 designates cooling. 



