INTERNATIONAL ANTARCTIC CO-OPERATION. 



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



NOVEMBER 



MEAN PRESSURE, NOON, G.M.T. I9O3. 



NORMAL PRESSURE 



30 20 10 O 10 20 JO 



NORMAL AIR TEMPERATURE. 



NOVEMBER 



MEAN AIR TEMPERATURE. NOON, G.MT. 1903. 



160' 170 180 |70 - 160 ISO 140 



in Aon 



For expla.na.tion see Key ui&p 



