I9O3 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON CM T 



WITH WINDS AND AIR TEMPERATURES 

 DECEMBER 18 I9O3 DECEMBER 



19 



ISO* ISO' 170* 160' 170' 160' ISO' 



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



140* ISO' 180' 170 



3O" 20" 10" 0' 10" 20* 30" 40" 



I9O3 



DECEMBER 



20 I9O3 



D ECEM B E R 



21 



40" ISO* 160" 170" 180" 170" 160* ISO" 140" 



10 



no 



Bdt 



SO" 20" \10" O* 10" 20" 30" 40" 



140" 



SO" 160" 170* 180* 170" 160" ISO* 



JO 



JO* 20" 10* 0" 10* 20* 30" 40" 



For explanation see Key map 



