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2018 Real Time Water Temperatures at Bonneville Dam

 
Step1: Choose a Dam:
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Step2: Click to Show/hide the legend:
Step3: Press submit button to generate temperature graph:
Step4: Press Report button to generate temperature report:
08/20/2018 Water Conditions
Image of Water temperature Image of
71.5
71.5
8/20/2018 12:00:00 AM
Current Weather Conditions In Cascade Locks, OR (97014)
Cloudy
58.0
6/13/2018 8:49:25 AM
Image of Cloudy
BONNEVILLE DAM YTD
157750
11961
53528
22213
6058730
193791
41447
Image of BON
8/21/2018 4:39:36 PM
 - Scrollcase temperature  - Tlwtr TDGFMS (Avg Daily)
 - Frby TDGFMS (Avg Daily)
BONNEVILLE DAM 8/20/2018 12:00:00 AM
1504
175
804
227
382
3
281
97
9
Image of Chinook Adult Up
8/21/2018 4:39:36 PM
Chinook Adult Up
BONNEVILLE DAM 8/19/2018 12:00:00 AM
846
90
540
169
245
5
180
30
6
Image of Chinook Adult Up
8/21/2018 4:39:36 PM
Chinook Adult Up
BONNEVILLE DAM 8/18/2018 12:00:00 AM
718
80
552
175
222
4
213
28
7
Image of Chinook Adult Up
8/21/2018 4:39:36 PM
Chinook Adult Up
BON

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.
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This page was last modified on May 6,2014

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