Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2024
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 31 - May 1)
Total Number of Fish Observed927
Percent of Total Run Analyzed [Number Observed]100 % [927]
Tailrace TDG Percent Exposure Index116.83 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 80% of Run Period (Apr 13 - Apr 28)
Number of Fish Observed758
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [758]
Tailrace TDG Percent Exposure Index117.44 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 20 - Apr 26)
Number of Fish Observed541
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [541]
Tailrace TDG Percent Exposure Index117.41 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 31
5% of Run passedApr 8
10% of Run passedApr 13
50% of Run passedApr 23
90% of Run passedApr 28
95% of Run passedApr 29
Last Day of RunMay 1