Columbia Basin Performance Measures

Adult Passage Exposure Results

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Adult Chinook Query Parameters
Year2017
ProjectMcNary
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value115 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Mar 20 - Jun 15)
Total Number of Fish Observed51373
Percent of Total Run Analyzed [Number Observed]100 % [51373]
Tailrace TDG Percent Exposure Index124.03 %
Percent of Fish Exposed [Number Exposed]100 % [51373]
Number of Days Fish Exposed70
Middle 80% of Run Period (May 14 - Jun 11)
Number of Fish Observed41961
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [41961]
Tailrace TDG Percent Exposure Index124.11 %
Percent of Fish Exposed [Number Exposed]100 % [41961]
Number of Days Fish Exposed29
Middle 50% of Run Period (May 23 - Jun 3)
Number of Fish Observed27295
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [27295]
Tailrace TDG Percent Exposure Index124.09 %
Percent of Fish Exposed [Number Exposed]100 % [27295]
Number of Days Fish Exposed12
Run Dates
First Day of RunMar 20
5% of Run passedMay 11
10% of Run passedMay 14
50% of Run passedMay 28
90% of Run passedJun 11
95% of Run passedJun 13
Last Day of RunJun 15