INTERNATIONAL ANTARCTIC COOPERATION 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE. 



JULY 



NORMAL PRESSURE 



MEAN PRESSURE, NOON, G.MT. 1902. 



140" ISO" 160" ITO IBO 170 I6O ISO 



40' 30" 20" 10" 0" 10" 20' 30" 40' 



140" ISO" 160" iTO" ISO" 170" 180" ISO* 140' 



40" SO" 20" 10" 0" 10" 20" 30" 40" 



JULY 



NORMAL AIR TEMPERATURE. 



MEAN AIR TEMPERATURE, NOON, G.MT. 1902. 



140" ISO" ISO" 170" IBO- 170' 160- ISO' 



50" 20 10 O 10 20 JO" 



OI explanation ite Key u>a.p 



