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2019 Historic and Real Time Water Temperatures at Bonneville Dam

 
Step 1: Use to Choose a Dam: (If you are using browser navigation buttons hit refresh to update selected site)
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Step 2: Click to Show/hide the legend:
Step 3: Press submit button to generate temperature graph:
Step 4: Press Report button to generate temperature report:
 - Tlwtr TDGFMS (Avg Daily for Willamette Fall)
 - Frby TDGFMS (Avg Daily)  - 10 Year Avg Tlwtr (9 Years Avg Daily for Willamette Fall)
Cascade Locks, OR Weather Forecast and Conditions
Rain
51.0
10/16/2019 9:28:54 AM
Image of Rain
BONNEVILLE DAM YTD
371882
58805
74958
36364
7459145
63046
19377
Image of BON
10/17/2019 1:15:17 AM

The scrollcase temperature is measured generally once per day, and the scrollcase, although at a different elevation in each dam, is useful indicator of the temperature that the fish passing through the juvenile bypass system experience. The Tlwtr (Tailwater) and Frby (Forebay) TDGFMS (Total Dissolved Gas Fixed Monitoring Stations), are temperature probes that are above and below the dam itself, and are used to measure the temperature at the same place dissolved gas is measured as per Boyle's Law. Questions and comments to: webmaster@fpc.org

This page was last modified on December 20, 2018