Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2022
ProjectLower Monumental
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 23 - Jun 27)
Total Number of Fish Observed1838
Percent of Total Run Analyzed [Number Observed]100 % [1838]
Tailrace TDG Percent Exposure Index120.76 %
Percent of Fish Exposed [Number Exposed]64 % [1177]
Number of Days Fish Exposed39
Middle 80% of Run Period (May 10 - Jun 12)
Number of Fish Observed1557
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1557]
Tailrace TDG Percent Exposure Index120.6 %
Percent of Fish Exposed [Number Exposed]60.4 % [941]
Number of Days Fish Exposed19
Middle 50% of Run Period (May 17 - Jun 6)
Number of Fish Observed975
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [975]
Tailrace TDG Percent Exposure Index120.46 %
Percent of Fish Exposed [Number Exposed]60.1 % [586]
Number of Days Fish Exposed11
Run Dates
First Day of RunMar 23
5% of Run passedMay 8
10% of Run passedMay 10
50% of Run passedMay 29
90% of Run passedJun 12
95% of Run passedJun 14
Last Day of RunJun 27
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 27, Apr 28, Apr 29, May 12, May 19, May 20, May 28, Jun 21, Jun 23, Jun 24