



INTERNATIONAL ANTARCTIC CO-OPERATION 

 CHARTS OF MEAN SCA ULVEL PRESSURI AND AIR TEMPERATURE. 



JULY 



NORMAL PRESSURE 



MEAN PRESSURE. NOON. G M T 1903 



NORMAL AIR TEMPERATURE 



JULY 



MEAN AIR TEMPERATURE. NOON.G M T 1903 



For Bpln*lton Key p 



