INTERNATIONAL ANTARCTIC CO-OPERATION 



CHARTS OF MEAN SCA LEVEL PRCS&URt AND AIM TEMPERATURE. 



JULY 



NORMAL PRESSURE 



MEAN PRESSURE.NOON.O M T lO? 



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r JW IL r 



JULY 



NORMAL AIR TEMPCRATURE 



MEAN AIR TEMPERATURE. NOON. M T. 1902 



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