INTERNATIONAL ANTARCTIC CO-OPERATION. 



1903 



SYNCHRONOUS CHARTS OT SEA-LEVEL PRESSURE FOR NOON GMT 

 WITH WINDS AND AIR TEMPERATURES 



JUNE 21 1903 JUNE 



22 



I4O" ISO" 160* 170' 180* 170" 160" 150' 



JOl 



^ 160 



30' 20 



SO" 20" 10" O" 10" 20' 3O' 40' 



1903 



JUNE 



23 1903 



JUNE 



24- 



20' 30' 



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



I "i explanation see Key map 



