INTERNATIONAL ANTARCTIC CO-OPERATION. 



I9O3 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 

 WITH WINDS AND AIR TEMPERATURES 



DECEMBER IO I9O3 DECEMBER 



1+0* ISO' 160* 170 160' 170 160" ISO 



I9O3 



DECEMBER 



12 I9O3 



DECEMBER 



13 



140' ISO' ISO' 



1+0* 150* 160' 170' 180' 170' ISO* ISO* 



ISO 



L 



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



For explanation see Key m&,p 



