Columbia and Snake River Data
- Current Water Temperatures Graphs for Scrollcase and Fixed Monitoring Station temperatures at Bonneville, The Dalles, John Day, Lower Monumental, Little Goose, Lower Granite and McNary. This query is functional from January 1 through the end of the year.
- Current versus Historic Water Temperatures Graphs for Scrollcase and Fixed Monitoring Station temperatures at Bonneville, The Dalles, John Day, Lower Monumental, Little Goose, Lower Granite and McNary compared to ten-year average scrollcase temperatures. This query is functional during the spill season - April 1 to August 31. This query is offline until April.
- Daily Average Forebay Water Temperature Graph Graphs the daily average forebay water temperature for current year, last year, 10 year average and 8 other prior years for the selected dam. The four dams available include: BON - Bonneville Dam; MCN - McNary Dam; IHR - Ice Harbor Dam; and LGR - Lower Granite Dam. Forebay water temperatures are graphed from April 1 through August 31.
- Walla Walla and Portland Districts Hourly Adult Ladder Water Temperature Query Graphs hourly water temperature for adult ladders found on dams in the Walla Walla and Portland Districts. The dams include: McNary Dam, Ice Harbor Dam, Little Goose Dam, Lower Monumental Dam, Lower Granite Dam, The Dalles Dam and Bonneville Dam. Adult ladder water temperatures are graphed hourly from June 1st through September 30th for the current year.
Ives Island Elevation and Temperature Data
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