Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2019
ProjectMcNary
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 28 - Jun 25)
Total Number of Fish Observed1512
Percent of Total Run Analyzed [Number Observed]100 % [1512]
Tailrace TDG Percent Exposure Index118.09 %
Percent of Fish Exposed [Number Exposed]2.5 % [38]
Number of Days Fish Exposed4
Middle 80% of Run Period (Apr 16 - May 27)
Number of Fish Observed1223
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1223]
Tailrace TDG Percent Exposure Index118.22 %
Percent of Fish Exposed [Number Exposed]2.5 % [31]
Number of Days Fish Exposed1
Middle 50% of Run Period (Apr 22 - May 16)
Number of Fish Observed774
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [774]
Tailrace TDG Percent Exposure Index118.44 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 28
5% of Run passedApr 11
10% of Run passedApr 16
50% of Run passedMay 1
90% of Run passedMay 27
95% of Run passedJun 3
Last Day of RunJun 25
Date(s) When Tailrace TDG Percent Crosses 120 %
May 18, May 19, Jun 10, Jun 13