1904- 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



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



WITH WINDS AND AIR TEMPERATURES. 

 FEBRUARY 4 1904- FEBRUARY 



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



I4O ISO 160 170 te I 



170' 160- ISO' 



Off in* ri* in* vn 



FEBRUARY 



FEBRUARY 



160' 170 ISO" 170 160 ISO 140 



140' ISO' 160' 170' 180' 170' 160 ISO 140' 



20 3O 40 



SO 20 10 IO 2O 



For expla,na,tion see Key map. 





