INTERNATIONAL ANTARCTIC CO-OPERATION. 



903 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT. 



WITH WINDS AND AIR TEMPERATURES 

 MARCH 29 I9O3 MARCH 



30 



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





SO* 20* 10* O" 10* 20* 30* 4O* 



1*0' ISO" 160* 170* ISO" 170* ISO* 



SO* 20* 10" 0" 10" 20' 30" 40* 



9O3 



MARC H 



31 1903 



APRI L 



I4O* ISO" 160" 



30* 20" 10* 7J* 



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



140* 



40" SO* 20* 10* 0* 10* 20* 30* 





For explanation see Key map 



