1904 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



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



WITH WINDS AND AIR TEMPERATURES. 

 JANUARY 3 1904- JANUARY 



50 140 



o* zo* 30* 



50 20* 10' 0* ID" 20' 30' 



1904- 



JANUARY 



5 1904- 



J ANU ARY 



I4O* ISO' 160* 170 180" 170' 160 ISO" 140' 



IO O IO 2O SO 4CT 



\O~ 20 30 



For explanation gee Key map. 



