I9O2 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT. 

 WITH WINDS AND AIR TEMPERATURES. 



MAY 5 1902 MAY 



50' 160" 170 180 170 160 150 



\4O' ISO' ISO' 170' ISO' 170 160 ISO 140' 



30 20 10 10 20 3O 



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



HO" 170 160' 170' 160 ISO" 140' 



140* ISO* ISO' 170' ^_ 160' 170 160' ISO' 



JO 20 10 O 10 2O 



For explanation see Key m.p 



