INTERNATIONAL ANTARCTIC CO-OPERATION. 



1903 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 

 WITH WINDS AND AIR TEMPERATURES. 



APRIL 6 1903 APRIL 



1+0* 130' 160' 170' 180' 170' ISO' ISO" 



140' 



50 



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



140' ISO' 160' 170' ISO' 170' 160' 



30 20' 10 10 20 JO' 



903 



APRIL 



8 1903 



APRIL 



140' ISO' 160' 170' 160' I7O' 160' 150 140' 



30' 20' 10' 0' 10 s I? 3O' 



140' ISO' 160' 170* 



30' 20 10' O' 10' 20' 3O' 40' 



For explanation see Key map 



