Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2017
ProjectMcNary
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value115 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 29 - Jun 25)
Total Number of Fish Observed2031
Percent of Total Run Analyzed [Number Observed]100 % [2031]
Tailrace TDG Percent Exposure Index123.16 %
Percent of Fish Exposed [Number Exposed]100 % [2031]
Number of Days Fish Exposed85
Middle 80% of Run Period (Apr 24 - May 31)
Number of Fish Observed1642
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1642]
Tailrace TDG Percent Exposure Index123.31 %
Percent of Fish Exposed [Number Exposed]100 % [1642]
Number of Days Fish Exposed38
Middle 50% of Run Period (May 3 - May 27)
Number of Fish Observed1066
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1066]
Tailrace TDG Percent Exposure Index124.01 %
Percent of Fish Exposed [Number Exposed]100 % [1066]
Number of Days Fish Exposed25
Run Dates
First Day of RunMar 29
5% of Run passedApr 18
10% of Run passedApr 24
50% of Run passedMay 16
90% of Run passedMay 31
95% of Run passedJun 5
Last Day of RunJun 25