1903 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 

 WITH WINDS AND AIR TEMPERATURES 



MARCH 13 1903 MARCH 



14O* ISO* 160' 170' HO' 170' 190 ISO 140' 



3O" 20" 10* 0* 10" 20" 30" 



140* ISO" 160" 170 180 170 



3O" 20* 10" 0* 10" 20' 30' 



1903 



MARCH 



i4O* iso* io" ITO" 180" 170 leo iso 



40 160 I/O ISO 170 160 



30" 20' 10" 10 20 



40" SO" 20" 10" 



For explanation see Key ro,p. 



