1904 



INTERNATIONAL ANTARCTIC CO-OPERATION. 

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



WITH WINDS AND AIR TEMPERATURES. 

 JANUARV 19 1904- JANUARY 



40* ISO* I6O' 170* 180' 170 160' ISO' 



I4O' ISO' ISO' 170 ISO' 170' 180' ISO" 



30 20 10' 10 20 30 



30' 20 10' O 10 20 30 



1904 



JANUARY 



MO' ISO' l0' 170' 180" 170 160' ISO' 140 



I4O' ISO' I6O' 170' 160' I70 - I60 - ISO - I4O 



For explanation see Key map. 



