.-;/ -INTERNATIONAL ANTARCTIC CO-OPERATION. 

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CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE. 



OCTOBER 

 NORMAL PRESSURE. M EAN PRESSURE, N DON, G.M.T. I 903 



30" 10' 10 10 20 30 



SO* 2O* 10 10 20 30 



NORMAL AIR TEMPERATURE. 



OCTOBER 



MEAN AIR TEMPERATURE,NOON,G.M.T. 1903. 



1*0' 170' 180* 170' I60 - ISO' 140' 



160' 170' ISO 170 160' 150' 140 



For explanation see Key map 



