I9O3 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 FEBRUARY 9 I9O3 FEBRUARY 



IO 



I4O" ISO" 160' 170' ISO' 170' 160 ISO" 



140' 



1*0" ISO* 160" 170' ISO' I7O" 160" ISO* 



a! 



SO" 20" 10' 0" 10' 20' 30' 



3O' 20' 10" 0" 10" 20 30" 



1903 



FEBRUARY 



II I9O3 



FEBRUARY 



12 



For explanation see Key ma,p. 



