Table 10. — Normal river nater terqperature changes — °F per 100 miles 



Data from U. S. Fish and Wildlife Senrice 

 and Columbia River surrey 



River stretch 



Wenatchee River 

 Plaln-Oashmere 



Miles 



27 



TaMjia River 

 Thorp- Selah 



S3 



Union Gap-Enterprise 96 



Coltinbia River 



Elmer City-Rock Island IhO 



Uina t i lla-B onnevllle 



Bonneville- Cathlamet 



Snalffi River 



Clarkston-Rlparla 



Riparia-Burbank 



IM 



106 



71 



66 



» 1, Turbulent with many rapids 



2. Few rapids 



3. Deep flowing 



U- Mostly sunny weather 



5. Partly cloudy weather 



6. Mostly overcast 



7. Upstream section of stretch mountalnoas 

 6* Farming throughout stretch 



9 - Some shading of stream 

 10, Reservoir immediately upstream 



51. 



