1903 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 DECEMBER 2 I9O3 DECEMBER 



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



0' 20 30* 40' 



iso' ISO* 170' IBP' no* iso* 150 



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



I9O3 



DECEMBER 



I9C3 



DECEMBER 



140" ISO* 160" 170' ieo' 170 160' ISO' 



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



140" ISO" 160" 170" 160" 170" 160* I50 C 140* 



40' 



For explan&tion see Key ma/p 



