INTERNATIONAL ANTARCTIC COOPERATION. 



'903 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GM.T. 

 WITH WINDS AND AIR TEMPERATURES. 



APRIL 6 1903 APRIL 



iao' 170' 



ISO' 140' 



SO 20 10 10 20 30 



140' ISO' 160' 170' 160" 



SO" 20' 10' 0' 10' 20' 10' 



1903 



APRIL 



140' ISO' 160' 170' 180' I7O 160 ISO' 140' 



160' 170 ISO' 170' ISO' 



SO 20 10 O 10 2O' SO' 40 



0- 20' 30' 40' 



For explanation see Key map. 



