INTERNATIONAL ANTARCTIC CO-OPERATION. 



1904- 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GM.T. 

 WITH WINDS AND AIR TEMPERATURES. 



MARCH 15 I9O4- MARCH 



16 



140* ISO* 160' 170* 



4O" 



30' 20* iO* 0* 10' 20' 30' 



140 ISO 160 170 180 170 



30* 20' 10 O* 10* 20' 30' 



I9O-V 



MARCH 



17 1904- 



M ARC H 



18 



I4O* ISO* I6O* 170* ISO" 170" 160* ISO* I4O* 



s 10* 20' SO* 



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



40' 



30' 2<T 10* O* 10* 20' 30' 



For explanation see Key map. 



