INTERNATIONAL ANTARCTIC CO-OPERATION. 



1904- 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 

 WITH WINDS AND AIR TEMPERATURES 



FEBRUARY 16 1904- FEBRUARY 



40* 30' 20' 10' O" 10" 2O' 3O" 40' 



I4O' ISO' 160' 170* IBO* 170' 160* ISO' 



3O* 20" 10" O" 10" 2O" 



1904- 



FEBR UAR Y 



18 I9O4- 



FEBRUARY 



30 20 10 10 20' 30' 4O 



JO 10 10 2O 3O 40 



Huth. . 



For expla.na.tion see Key map 



