I9O4- 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT. 

 WITH WINDS AND AIR TEMPERATURES 



MARCH 23 1904- MARCH 



! ISO* 160' 170* ISO' 170' 160' 150 



0' 20' 30' 



I4O" ISO" 160" 170" 160* 170* 160" ISO" 140 



3O' 20' 10' O" 10" 20" 30" 



40' 



1904- 



M ARCH 



25 I9O4- 



M ARC H 



26 



I4O" ISO* I6O* I70 e 180* !70* 160" ISO* 



5O 20" 10* O* 10" 2O* 30" 



I4O" 



150 160* 170" 180" 170* 160* ISO* 140* 



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



For explanation see Key map 



