INTERNATIONAL ANTARCTIC CO-OPERATION. 



1904- 



SYNCHRONOUS CHARTS OF SEA LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR T E M P E R AT U R E S 

 MARCH II 1904- MARCH 



12 



ISO 



ISO* 160' 170' IBO* PO' 160* ISO 



SO' 20' 10' 0' 



HO* I6O' 170* 160* 170* ieO" ISO' 140' 



oil 



1904- 



M ARC H 



13 1904- 



MARCH 



2O 10 10 20 3O 40 



For explanation see Key m&p 



