INTERNATIONAL ANTARCTIC CO-OPERATION. 



I9O4 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON G.M.T. 

 WITH WINDS AND AIR TEMPERATURES. 



MARCH 23 1904- MARCH 



24 



I4O* ISO 



14O ISO" 160" 170 I6O 170 I6O 150 



SO' 2O" 10" 0" 10" 20' 30" 4O' 



40" 



30" 20" 10* 0* 10" 20" 30" 



1904 



MARCH 



25 I9O4 



MARCH 



IO ISO" 160" 170 160" 170 160 ISO 



For explana,tion see Key map. 



