27 



26 



25 



24 



23 



UJ 



I- 



OC 2I 



UJ 



Q. 



S 20 

 UJ 



19 



18 



17 



16 



TIME (GMT) 



1400 1410 1420 1430 1440 1450 1500 1510 1520 1530 1540 1550 1600 1610 — JULY 20 

 1410 1420 1430 1440 1450 1500 1510 I52Q 1530 1540 1550 1600 1610 JULY 22 



Fig. Ik. Comparison of W3-hour temperature changes, 20-22 July I962. 



71 



