INTERNATIONAL ANTARCTIC CO-OPERATION. 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE 



JUNE 



NORMAL PRESSURE. 



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



3O' 20' 10* 0* IO" 2O* SO' 



NORMAL AIR TEMPERATURE. 



JUNE 



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



1*0" ISO' ISO' 170' IBO' 170" ISO' ISO' 140' 



For explanation see Key ina.p 



