1903 



INTERNATIONAL ANTARCTIC CO-OPERATION. 



SYNCHRONOUS CHARTS OT SEA-LEVEL PRESSURE FOR NOON GMT 



WITH WINDS AND AIR TEMPERATURES 

 APRIL 23 I9O3 APRIL 



130* I6O' 170* 180' 170' ISO' ISO' 140' 



ir = 



^ * 



140" ISO* 160* 170* 160* 170* 160 ISO* 



.5 

 w 



1903 



APRIL 



24 1903 



APRIL 



ISO' 160' 170' ISO' 170* 160* ISO' 



1*0" ISO' I6O' 170;, 180' 170' 160 ISO' 140' 



o 





XT 20' 



SO' 40' 



V 



\ / \ ,/ V 



$ , >/ 



30* 20" 10* 0* 10* 20* 30* 40* 



For explana-tion see Key in&p 



