1901 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 DECEMBER 4- I9OI DECEMBER 



40" ISO" 160" 170 ISO 170 160 150 140 



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



30' 20" 10" 0" 10" 20" 30' 



I90i 



DECEMBER 



1901 



DECEMBER 



iso lee" 170 :ao 170 ieo iso 



40* 



140* ISO" 160" 170" 160* 170* 160" ISO" 



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



For expla.na.tion see Key ma.p 



