CODES FOR CLOUD FORMS 

 AND STATES OF THE SKY 



ACCORDING TO THE 



INTERNATIONAL SYSTEM OF 



CLASSIFICATION 



i V 1 J U ij 5 



is Hole Occano-'^'':^' 



Ml U^:j - unZ-L-i i LLu UULLLbilOM I 



U. S. DEPARTMENT OF AGRICULTURE 



WEATHER BUREAU 



1938 



