1904- 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



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

 WITH WINDS AND AIR TEMPERATURES. 



MARCH 15 I9O4- MARCH 



16 



1*0* ISO' 160' 



SO' ZO' 



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



190 + 



M ARC H 



17 1904 



MARCH 



18 



17Q 160 150 I4O 



140* ISO' 160* 170* ISO* 170* 160* ISO* 140" 



10" 2O* 3O* 4O* 



For explanaution see Key map. 



