I9O4- 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



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

 WITH WINDS AND AIR TEMPERATURES. 



FEBRUARY 12 1904- FEBRUARY 



I4O" ISO' 160' 170 IBO- 170' 160' ISO' 140' 



I4O- ISO" 160' 170" ISO" 170 ISO ISO" 1+0" 



3O 20 I !0 O 10 2O 



40" 30 20 10 



1904- 



FEBRUARY 



14- 1904- 



FEBRUARY 



15 



MO* ISO* 160* 170* IBO" 170 160' ISO' I4O" 



140" 160* ISO* 



For explanation see Key map. 



