INTERNATIONAL ANTARCTIC CO-OPERATION. 



1902 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 

 WITH WINDS AND AIR TEMPERATURES 



APRIL 23 I9O2 APRIL 



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



50' tOV 10 O' 10' V 20' 30' 



40' 



1902 



APRIL 



25 I9O2 



APRIL 



4O' ISO* 160" 170 180' 170 160 ISO 140' 



14O' ISO' 160' 170' 160' 170 160 ISO 



10! 0' 10' 20' 



For explanation see Key ma.p 



