INTERNATIONAL ANTARCTIC CO-OPERATION. 



1904- 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 MARCH 31 



1*0* ISO' I6O' 170' 180' I7O' IgO" ISO' 140' 



14"' !>,' 160' 170' 180* 170* HO* SO 1 140' 



30" 20* 10' 0* IO" 20" 30' 4O* 



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



30" 2O 10 10 



40' yf 2O 10 O' 10 SO SO" 4O 1 



For expl.na/tion see Key ina/p 



