1902 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT. 



WITH WINDS AND AIR TEMPERATURES 

 DECEMBER Z7 I9OE DECEMBER 



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



40* 30' 20' 10" 0* 10' 20* 30' 40' 



I4O* ISO' 160' 170* ISO* 170' 160* ISO* 140' 



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



1902 



DECEMBER 



29 I90Z 



DECEMBER 



30 



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



SO* 20' 10' O* 10" 2O' 30" 



I4O" ISO" 160" I7(T ISO* 170* 160* 



4O' 3O" 20 IO" 0" 10" 2O 



For explanation see Key map. 



