INTERNATIONAL ANTARCTIC CO-OPERATION. 



1903 



SYNCHRONOUS CHARTS OF SEA- LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 JULY 7 1903 JULY 



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



M ' CH ~T/ 

 *&\ "'* 



,. , JO 2 



50 



30' 20' 10' 0' 10' 20" 30' 



ISO' 160' 170' iBO' 70' 160' 



30' 20' 10' O* 10' 20* 30' 



1903 



JULY 



9 1903 



JULY 



10 



ISO' ISO' 170' 180' .70' 160' ISO' 



30' 20* 10" O" 10* 2O" 3O" 



4O' 



I4O' ISO' ISO' 170' 180' no* 160' ISO' 140' 



* 4. 



3D" 



4O* 3O* 



10' 0" 10' 20' 30' 



40' 



For explanation see Key iua.p 



