INTERNATIONAL ANTARCTIC CO-OPERATION. 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE. 



AUG UST 



NORMAL PRESSURE. 



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



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



4O 3O 



140' ISO' 160' 170* 180* 170* 160* ISO* 140' 



NORMAL AIR TEMPERATURE. 



AUGUST 



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



4<J ISO I6O I7O IBO I7O 16O 140 



140' ISO' 160' 170 I6O' 170 160 ISO' 140' 



nt o IO 20 iO 



40 30' 2O IO O IQ" 2O 3O 40 



For explanation see Key map 



