Table 23- Minimum, Weighted Average and Maximum Oboejrved 

 Constituent Values at Station Indicated -'■, 195U-1957 



Columbia River 

 at Rock Island 



Nason Creek 

 Near Mouth 



Chiwawa River 

 Near Mouth 



mr. 



Wenatchee River 

 Below Plain 



mr. 



Min Avg. Max. Min. Avg. Max. Min. Avg. Max. Min. Avg. Max. 



CFS 103 J9 137 HCF 



0.09 0.79 3.51 0.58 3.Ut) 9.51 



82 



