1904 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



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



WITH WINDS AND AIR TEMPERATURES. 

 FEBRUARY 2O I9O4 FEBRUARY 



I4O' ISO* 160* 170 ISO' 170 160 150 140' 



1*0" ISO' 170- ISO 



SO' 20' ^'10' 0" 10' 20' 30' 



30 20 10' O 10' 20 30 4O 



1904 



FEBRUARY 



22 1904 



FEBRUARY 



140 ISO* 160' 170 I8CT 170 160 150 140' 



For explanation see Key map. 



