INTERNATIONAL ANTARCTIC COOPERATION 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE. 



JULY 



NORMAL PRESSURE. 



MEAN PRESSURE.NOON, G.M T 1903. 



30' 20' IO' 0" 10' 2O' 3O" 40' 



L 



30' 20' 10' 0* 10' ZO' 3<f 4O* 



NORMAL AIR TEMPERATURE, 



JULY 



MEAN AIR TEMPERATURE.NOON.G.MT. 1903. 



I4O' ISO' l0* 170' ISO' 



140' ISO' 160' 170* 160* 170' 180 180* I4O' 



K) 







3O' 20' 10' O* 10* 2O' 30' 4O 



40' so" ao 10 o 





For expla.na.tion see Key m&p 



