I9O3 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON G.M T 

 WITH WINDS AND AIR TEMPERATURES 



DECEMBER IO I9O3 DECEMBER 



ISO* l0' 170 WOT 170' ISO' ISO' 



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



ISO' l0' 170' ISO' 170' 160' ISO' 140' 



SO' 20' 10' O' 10' 20' 30' 40' 



I9O3 



DECEMBER 



12 I9O3 



DECEMBER 



13 



I4O* ISO' IIP' 170* 180' 170' 160 ISO* 140' 



10* 2O' 30' 4O' 



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



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





For explanation see Key map 



