INTERNATIONAL ANTARCTIC CO-OPERATION. 



1903 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON G M T 



WITH WINDS AND AIR TEMPERATURES 

 APRIL 2a 1903 APRIL 



140" IjO" 160" 170" ISO* 17Q' 160 ISO 



A ? * 



0' " 20 30" 



140" ISO" 160" 170 180 170 160 150 



00 



I9O3 



APRIL 



24 1903 



APRIL 



50" 160" 170" 180 I7O" 1 60" 150 140 



|40* I5Q* ISO* 170. ISO* 170* 160 150 



For explanaA ion see Key map 



