INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON C.M.T. 

 WITH WINDS AND AIR TEMPERATURES. 



MAY 13 1902 MAY 



1902 



140 ISO 160 170 180 170 160 150 140* 



1902 



M AY 



I9O2 



MAY 



16 



140' ISO' 160' 170- ISO" 170' IBCT 



For explanation see Key map 



