-KILOMETERS 



San Francisco- 



E 200- 



MERN XBT TEMPERATURE* DEG-C 



1000 



MID-AUGUST 



3800 



MEAN XBT TEMPERRTURE CHRNGE* DEG-C 01 RUGUST TO 01 SEPTEMBER 



r' 



-KILOMETERS- 

 2000 



San Francisco-i 



3000 3800 



i-^J, 1, . I , ■ I 



200 E 



MEAN XBT TEMPERRTURE, OEG-C 



1000 



01 SEPTEMBER 



3000 3800 



MERN XBT TEMPERRTURE CHANGE* DEG-C MID-AUGUST TO MID-SEPTEMBER 



19 



