Clackamas and Sandy River Fishing Reports for Aug 26th Posted on August 25, 2016 by Michael Teague The Clackamas River USGS hydrological data for August 22 shows river flows nearly unchanged at 656 cfs, with a gauge reading of 10.35 feet and the water temperature steady near... This post is only available to Members. If you are a Member, please be sure to log in. You can do this on the top right of almost any page on our site. If you want to become a member or find out more, take a look here.