1904- 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



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



WITH WINDS AND AIR TEMPERATURES. 

 FEBRUARY 4- 1904- FEBRUARY 



I4O* ISO' 160' 170* ISO' 170* 16O* ISO' 140' 



40' 30' 20' 10' O* 10" 20" 30* 40' 



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



60' 



30' 20' 10' O 10" 20 30' 40' 



1904- 



FEBRUARY 



6 1904 



FEBRUARY 



140' ISO' 160' 170' I8O' no' 160 150 140" 



4Q 30 20" 10* 0* 10* 20* 3O" 40" 



140* , ISO* 160" 170' IBO' HO' 160' ISO' 140' 



3O" 20 10" 0* 10" 20" 3O 40 



For explanation see Key map 



