1903 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 APRIL 10 1903 APPIL 



50' 20' 10 O' 10" 20' 30' 



SO" 20' 1C' 0- ID' 20" 30- 



1903 



APRIL 



1903 



APRIL 



13 



40- ISO' 160' 170' V 140' 



For expl.na,t ion see Key map. 



