I9O3 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 FEBRUARY 17 I9O3 FEBRUARY 



I9O3 



FEBRUARY 



19 I9O3 



FEBRUARY 



20 



140' ISC' IW 170' 180' 170' ISC' ISO' 



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



SO 20 10 O" 10 tO 3O* 4O" 



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



For explc.na.tion see Key map. 



