Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2016
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 19)
Total Number of Fish Observed5563
Percent of Total Run Analyzed [Number Observed]100 % [5563]
Tailrace TDG Percent Exposure Index116.04 %
Percent of Fish Exposed [Number Exposed]85.7 % [4768]
Number of Days Fish Exposed53
Middle 80% of Run Period (Apr 20 - May 24)
Number of Fish Observed4615
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [4615]
Tailrace TDG Percent Exposure Index116.2 %
Percent of Fish Exposed [Number Exposed]93 % [4293]
Number of Days Fish Exposed32
Middle 50% of Run Period (Apr 28 - May 19)
Number of Fish Observed2926
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2926]
Tailrace TDG Percent Exposure Index115.93 %
Percent of Fish Exposed [Number Exposed]100 % [2926]
Number of Days Fish Exposed22
Run Dates
First Day of RunMar 29
5% of Run passedApr 18
10% of Run passedApr 20
50% of Run passedMay 8
90% of Run passedMay 24
95% of Run passedMay 28
Last Day of RunJun 19
Date(s) When Tailrace TDG Percent Crosses 115 %
Apr 9, Apr 10, Apr 13, May 22, Jun 1, Jun 5, Jun 6, Jun 12, Jun 16, Jun 19