1904- 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEALLVEL PRESSURE FOR NOON GMT. 



WITH WINDS AND AIR TEMPERATURES 

 MARCH 27 1904 MARCH 



28 



40* iso' 160' 170' io' no' leo iso- 140' 



4O' 30" 20* ^'10* 0' 10' 2O' 3O" 40' 



40' ISO' 160' 170' ISO" 170' IO* ISO* IVf 



to' 30' 20' 10' O* 10* 20' JO' +0' 



1904- 



MARCH 



29 1904- 



MARCH 



30 



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



4O' SO' 20 s " 10' O 5 



2O' 30' 4O" 



140* ISO' 160' VV 180* 170' 160' 140' 







For explanation see Key map. 



