SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 107. NUMBER 3 



Eoeblins Jf unb 



1946-1947 REPORT ON THE 



27.0074-DAY CYCLE IN WASHINGTON 



PRECIPITATION 



BY 

 C. G. ABBOT 



Reseavcli Associate, Smithsonian Institution 



(Publication 3892) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



MARCH 17, 1947 



