

o 

 u 



01 



w 



»- 



O 



O 



o 



>■ 



> 



O 



3 

 O 

 Z 

 O 



o 



^2 



in 



JAN FEB MAR. APR MAY JUN. JUL AUG SEP OCT 



WENATCHEE RIVER NEAR MOUTH 



Average Monthly Water Quality 

 1954-1957 



NOV DEC 



FIG 18 



44 



