INTERNATIONAL ANTARCTIC CO-OPERATION. 



I9OI 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON G.MT 

 WITH WINDS AND AIR TEMPERATURES 



OCTOBER I I9OI OCTOBER 



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



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



140' ISO* 160 170 o .-ISO 170 160 ISO 



a 



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



I9OI 



OCTOBER 



3 1901 



OCTOBER 



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



5O" 20" 10" O" 10" 20* 30" 40* 



SO* 160' 170* 160* 170" 160 ISO' 



30' 20" 10" 0" 



For expla.na.tion see Key 



