NTERNATIONAL ANTARCTIC CO-OPERATION. 



CHARTS OF MEAN SEA LEVEL PRESSURE AND AIR TEMPERATURE. 



MARCH 



N O RMAL PRESSURE. 



MEAN PRESSURE, NOON, G.M.T. 1902. 



140 ISO 160 170 160 170 160 ISO 140 



40' 30' 20" 10* 0* 10' 2O* 30' 40' 



I4O* 150 



I 



40' 30' 20' 10* 0' 10' 20' SO' 4O" 





NORMAL AIR TEMPERATURE. 



MARCH 



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



ISO* ISO' 170' 180* 170' 160" ISO 1 



3O 2O 10' O' 10 20 30 



Hath London 



For expl.na,tion see Key map 



