INTERNATIONAL ANTARCTIC CO-OPERATION. 



1904- 



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



WITH WINDS AND AIR TEMPERATURES 

 JANUARY II 1904 JANUARY 



60' 170" ISO" 170 I6(T 150 140' 



4O ISO 160 170 I 



70' l0 ISO l0" 



30' 20' 10* O' I0 - 20' 30' 



20* 10' O' 10' 20' 30 



JAN UARY 



JAN UARY 



I6O* 170 180 170 160 



XT 2O m ff 10 10" 20* 3O" 4O* 



3O 2O 10 O 10 2O 3O 



For explanation see Key map 



