11. 



3 



o 



u 



CD 



3 



O 



3 



a 

 z 

 o 

 o 



-J 

 o 



< 



o 



JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 



WENATCHEE RIVER AT TUMWATER CANYON 



Averoge Monthly Woter Quality 



1955 - 1957 



FIG 32 



66 



