I9O4- 



! NTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 JANUARY 7 1904- JANUARY 



40" 30" 20" 10" O' 



I4O" ISO' 160* 



3O' 2O' IO" O' 10" 20' 30' 4O" 



1904- 



J AN UARY 



9 1904- 



J AN UARY 



10 



I4O* ISO* 160* 170' JBO' 170* ISO' ISO* 140* 



20* 10" O" 10" 2O" 30" 4O" 



3O" 20 10" O" 10" 20* 



For expla.na.tion see Key map 



