INTERNATIONAL ANTARCTIC CO-OPERATION. 



1903 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES. 

 JULY 23 1903 JULY 



24 



ISO* 160* 170 160 170 160 150 





30' 20* 10' O' 10" 20' 30* 



id 



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



1903 



J ULY 



1903 



J U LY 



1*0' ISO' ISO' 170' 180' 170* 160' ISO* 



30* 20* 10* 0' 10' 20* 30* 



1*0' ISO' 160' 170' 180' 170* ISO' ISO' 



140* 



40' 



For explanation see Key map 



