INTERNATIONAL ANTARCTIC CO-OPERATION. 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE. 



OCTOBER 

 NORMAL PRESSURE. M EAN PRESSU RE, N DON, G.M.T. I 9 03 . 



140' ISO' 160' 170' 180' .70' 160' ISO' HO 



M 



IO' 20" 30' 40" 



O* 10' 20 30' 40' 



NORMAL AIR TEMPERATURE. 



OCTOBER 



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



For explanat LOTI see Key map 



