118 MARION AND GENERAL GREENE EXPEDITIONS 

 60' 50L 60° 50° 



60 lA — W-l A 1^%^ ^Peoi 



50 



W ,00 50- 60° 200 ^^' 



400 



600 



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



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

 temperature are of less ]na<i-nitu(le in the Lahrador 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 sunnnertime 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, 



