INTERNATIONAL ANTARCTIC CO-OPERATION. 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE. 



JUNE 



NORMAL PRESSURE. 



MEAN PRESSURE.NOON, G.M T. 1903. 



1*0* ISO' 160' 170' 180' 170' 160* ISO* 140' 



20* 30' 40 



I4O' ISO* 160' 170* 160' 170* 160 ISO' 140" 



NORMAL AIR TEMPERATURE. 



JUNE 



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



l0* ISO' 160' 170' ISO' 170' 160' ISO' 140' 



4O 3O 20' 10* O" 10" 20" 30* 



I4O" ISO" 160 170 180 170" 160 ISO" 140' 



30' 20" 10' O* 10" 2O' 30 



For explana-tion see Key map. 



