118 MARION AND GENERAL GREENE EXPEDITIONS 

 ^0*^ 50° 60° 50° 



60|| 



60^ 400 ^°' ^"^ 600 



Figure 83. — Temperature at 100, 200, 400, and 600 meters June 26-July 24, 1933. 



It is instructive to note that the annual variations in the average 

 temperature are of less magnitude in the Labrador Current, the tem- 

 peratures of which are relatively low, than in the West Greenland 

 Current, where they are relatively high. 



In order to establish more firmly in mind normal summertime con- 

 ditions and to learn more of the degree of annual variations, refer- 

 ence is made to subsurface observations other than the U. S. Coast 

 Guard's. These are practically all contained, as noted in chapter I, 



