INTERNATIONAL ANTARCTIC CO-OPERATION. 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEM PER ATU RE. 



NOVEMBER 

 NORMAL PRESSURE. M EAN PRESSURE, N DON, G.M.T. I 9O3 . 



40" ISO" ISO" 170" ISO" 170- I6O' 140' 



NORMAL AIR TEMPERATURE. 



NOVEMBER 



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



140" ISO" ISO" 170 ISO" 170 160 ISO 



to? 10= O" 10" 20" 30" 



Hvrt-h London 



For explanation see Key map 



