Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2020
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 24 - Jun 29)
Total Number of Fish Observed631
Percent of Total Run Analyzed [Number Observed]100 % [631]
Tailrace TDG Percent Exposure Index121.48 %
Percent of Fish Exposed [Number Exposed]91.6 % [578]
Number of Days Fish Exposed39
Middle 80% of Run Period (Apr 30 - May 25)
Number of Fish Observed511
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [511]
Tailrace TDG Percent Exposure Index121.97 %
Percent of Fish Exposed [Number Exposed]100 % [511]
Number of Days Fish Exposed26
Middle 50% of Run Period (May 3 - May 22)
Number of Fish Observed365
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [365]
Tailrace TDG Percent Exposure Index121.81 %
Percent of Fish Exposed [Number Exposed]100 % [365]
Number of Days Fish Exposed20
Run Dates
First Day of RunMar 24
5% of Run passedApr 24
10% of Run passedApr 30
50% of Run passedMay 14
90% of Run passedMay 25
95% of Run passedMay 28
Last Day of RunJun 29
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 5, Apr 6, Apr 9, Apr 10, Apr 28, Jun 9, Jun 16, Jun 17, Jun 20, Jun 21