SMITHSONIAN MISCELLANEOUS COLLECTIONS 

 VOLUME 110, NUMBER 4 



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1947-1948 REPORT ON THE 



2 7. no 74-DAY CYCLE IN WASHINGTON 



PRECIPITATION 



BY 

 C. G. ABBOT 



Research Associate, Smithsonian Institution 





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(Publication 3919) 



CITY OF WASHINGTON- 

 PUBLISHED BY THE SMITHSONIAN INSTITUTION 

 MARCH 10. 1948 



