1904- 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



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



WITH WINDS AND AIR TEMPERATURES. 

 MARCH 1 I9O4- MARCH 



50 16O 170 IBCT I7O IO ISO 



1*0- ISO" 160' 170- I8(T 170" 160 ISO' 



I9O4- 



MARCH 



9 I9O4- 



M ARC H 



10 



130 140* 



10 10* 20' 3O" Vf 



MO* MO* ISO* . 170* 180* 170* 160* ISO* 



For explanation aee Key map. 



