INTERNATIONAL ANTARCTIC CO-OPERATION. 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE. 



AUGUST 

 NORMAL PRESSURE. M EAN PRESSURE, N DON, G.M.T. I 9 02. 



WO* ISO' 1(0* 179* 16 O' 170' MM* ISO 



140* ISO 



3O' 20" !0* 0* 10' 2O* 3O' 40' 



60 170 180 170 160 ISO 140" 



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



AUG UST 



NORMAL AIR TEMPERATURE. 



MEAN AIR TEMPERATURE.NOON, G.M.T. 1902. 



I4Q ISO 1<O 170 160^ 170 1*0 ISO 140" 



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



20 10" O* 10" 20" 3O" 



For explana-tion see Key m&p 



