12 



BULLETIN 1031, U. S. DEPARTMENT OF AGRICULTURE. 































































i\ 



s, 





1 



V 

































s 



\ 



1 



,^ 

































/ 



/ 



1 



^ 



•s. 































j'/^ 







A"' 

























--' 





■^ 





















•+ 















^^ 





-. 











T- 



^ 































(i 







^^' 

































•N 







s. 



































"■^ 



-^ 



J 



N 



\ 







(> 





























■J\ 





7 







r^ 





























A 



/ 



/ 







£ 

























_./ 



/ 



\ 



1 



1 



\ 

 \ 









,S 























-^ 







y 











In 











^ 





•^ 















A 

 /\ 











In 











■^ 





-- 













1 



( 



1 

 1 











S 



— 









1 















\ 



J 











1 



^^ ? § 



iii 



<^ 







\ 





• 



4^ 



! 











.d 







\ 





"^ 



-, 



•J 











d 









^, 







j 



f 









^ 









i 







( 1 











!5 









1 







N 











^ 



^ 







/ 



A 





^ 



^f 

















\ 



X 





> 



i 



















1 







(1 











.5^ 









1" 



■-- 



^ 





^^ 









^ 









J^ 





■^ 



^- 



' 









^ 

 ^ 









^i-- 





»«, 



U^ 



-^ 























1 







> 





<r> 













^ 









■^ 













1 s 



\ 





si 











-0> 









•/ 



/ 























IS 



\ 





\ 











-<0 























y 



? 





\l 











to 



^ 









i 



[) 









; 



i { 









h 









Q 



1 



S3HONI 

 during the main growing months — July, August, and September — 

 and the departure above or below average for each year and season. 

 Figure 2 shows these data graphically. 



