These files represent historical data for the period-of-record stored by the Corps of Engineers, through June 30, 2009.
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The website you will be taken to is a USACE website.
Columbia River Basin Datasets
Hourly generation data - Period-of-record through 6/30/2009
These files represent hourly generation data for the period-of-record stored by the Corps of Engineers, through 30-Jun-2009 for the following projects:
Individual files are gzipped (www.gzip.org), and are also all contained in a single .zip archive.
For data from 1-Jul-2009 to the present, see our dataquery program.
Water Year Reports
Each .zip file contains multiple PDF files for the given water year. Right click to download the file.