1902 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



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

 WITH WINDS AND AIR TEMPERATURES 



APRIL II 1902 APRIL 



12 



1+0 ISO" 160' 170' 



40" 30 20" ' ^DlO" O' 



140* ISO" 160" 170' ISO" 170" 160" 150' 



4O 30" 20" 10 O" 10" 20 30* 



1902 



APRIL 



13 I9O2 



APRIL 



140" ISO" 160* 170* !60" 170" 160" ISO' 



40" SO' 20 10" 0* 10" 20" 30" 40" 



SO" 160" 170" 160" 170" 160" ISO* 



4O* 30 20 10 10 20* 30 40 



For explanation see Key map 



