Figure 26.— Temperature trace of TD at station 5143; 28 May 1953; 49°49' 



N., 49°34' W. 



259 26 I 2 S .4 .5 .6 T .9 .9 270 .1 .2 .S .4 .5 .€ .7 .8 VI 



DEGREES CENTIGRADE 15 14 11 12 II 10 9 8 7 6 5 4 i 2 I 0-1-2 



Figure 27.— Temperature trace of TD at station 5167; 30 May 1953; 48°40' 



N., 49°31' W. 



70 



