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Perennial Stream Temperature for the NorWeST "Middle Columbia East" Production Unit (Hydrologic Units 17060101-17060110, 17070101-17070104) in the states of Washington, Oregon, and Idaho.
Full year Mid-Columbia East Watershed Scenarios
This NorWeST subpage contains data for a revised set of stream temperature scenarios within the interior Columbia River basin that were commissioned by the Bonneville Power Administration and U.S. Forest Service, Region 6. The scenarios are based on an updated and larger set of interagency temperature monitoring records for the period of 1993 through 2020. Data cleaning and modeling procedures were identical to those described on the NorWeST website and by Isaak et al. 2017, but a broader array of 14 temperature metrics and 41 scenarios were modeled for this update. These scenarios, as well as the temperature dataset used to create them, are available for download in a variety of user-friendly formats from the tables below. More details about this project are contained in this BPA report and the General Metadata document.
Note that these scenarios are updated from the previous Mid-Columbia East Watershed production unit on the NorWeST Data Summaries and NorWeST Modeled Scenarios webpages that can be merged with surrounding HUCs.
       Mid-Columbia East Watershed Stream Temperature Scenarios
Thermal metric
Stream Temperature Scenario PDF Map
Perennial Stream Temperature Large JPG Map
Temperature Scenario GIS Downloads with xml metadata