INTERNATIONAL ANTARCTIC CO-OPERATION. 



I9O3 



SYNCHRONOUS CHARTS OF SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 JUNE 9 1903 JUNE 



10 



ISO' 160' 170" 180" 170" 160 ISO 140' 



SO* 20* 



O' 10' 20' 30' 



140' ISO' 160" 170 ISO 170 160 ISO 



30' 20' SOID 18 '* O" 10' 20' JO' 



19O3 



JUNE 



II I9O3 



JUNE 



12 



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



40' 30' 20' 10' O' 10' 20' 30' 40* 



4O* 30' 20' ICT O 10" 20* 30* 40* 



For explanation see Key map 



