INTERNATIONAL ANTARCTIC CO-OPERATION. 



1904- 



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



WITH WINDS AND AIR TEMPERATURES. 

 MARCH 23 1904- MARCH 



I4O' ISO' 190' 170' ISO* 170* 180* ISO 140' 



0' 20' 30' 40' 



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



40' SO' 20' 10' 0' 10' 20' 30' 40' 



1904- 



M ARCH 



25 I9O4- 



M ARCH 



9O ITO IBCT 170 IO ISO 140 



ISO' 160' I7O' ieO' 170" 160 ISO 



For explanation see Key map 



