INTERNATIONAL ANTARCTIC CO-OPERATION 



CHARTS OF MEAN SKA LEVEL PRESSURE AND AIN TIMPCNAfUHK. 



JANUARY 



NORMAL PRESSURE 



MEAN PRESSURE. NOON. G M T 



NORMAL AIR TEMPERATURE 



J ANU ARV 



MEAN AIR TEMPERATURE, NOON.O M T 1902 



For 



Key 



