I9O3 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON CM T. 



WITH WINDS AND AIR TEMPERATURES 

 MAY 12 I9O3 MAY 



13 



1*0* ISO' l0' 170' 180' 170' 180 150' 140' 



0' 0' 10' 20 JO' 



40' 



140* ISO* 1*0' 



30' 20' 10' O' 



1903 



MAY 



14- I9O3 



MAY 



15 



140* ISO' 160' 170' 3 ISO' 170' IBO' 150 



I4O' ISO' 



40' 3O' 20' 10' 0' 10' 20' 30' 40' 



For explanation see Key ma/p 



