1904- 



INTERNATIONAL ANTARCTIC CO-OPERATION. 

 SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 FEBRUARY 8 1904 FEBRUARY 



ISO 160* 170 160 '70 160 ISO 140 



4O* 30' 



10' 20* 30" -"u 



I4O 150 160 170 180 170 160 150 140 



5O 20 10 O 1O 2O 3O* 4O 



1904- 



FEBR UARY 



10 1904- 



FEBRUARY 



I4O* ISO* I6O* 170 180' 170 160 150" 140* 



40' SO' 2O* 10* 0* 10" Z0~ 30' 40* 



14O' ISO* 160* 170* 180* 170* 160* ISO* 140' 



40* 30* 2CT 10* O* 10* 20' 3O* 



For explanation see Key map. 



