INTERNATIONAL ANTARCTIC CO-OPERATION. 



1903 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 MAY 16 1903 MAY 



17 



140' 



140' ISO' NO* 170' IBO' 170' 160' 



4O* SO' 2O' 10* 0' 10' 2O' 30' 4O' 



I4O* ISO' 160' 170' IBO' 170' 160' ISO' 



00 



90 



SO' 20' 10' 0' 10' 20' 30' 40' 



I9O3 



MAY 



40 ISO' 160' 170 180' 170' 160' ISO 



For explanation see Key map. 





