Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2018
ProjectMcNary
River ParameterTailrace TDG Percent
Critical Tailrace TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates3/15 - 6/15
Total Run Period (Apr 1 - Jun 15)
Total Number of Fish Observed51408
Percent of Total Run Analyzed [Number Observed]100 % [51408]
Tailrace TDG Percent Exposure Index126.34 %
Percent of Fish Exposed [Number Exposed]80.1 % [41184]
Number of Days Fish Exposed33
Middle 80% of Run Period (May 11 - Jun 10)
Number of Fish Observed42098
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [42098]
Tailrace TDG Percent Exposure Index127.67 %
Percent of Fish Exposed [Number Exposed]89.9 % [37883]
Number of Days Fish Exposed27
Middle 50% of Run Period (May 16 - Jun 2)
Number of Fish Observed25994
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [25994]
Tailrace TDG Percent Exposure Index129.46 %
Percent of Fish Exposed [Number Exposed]100 % [25994]
Number of Days Fish Exposed18
Run Dates
First Day of RunApr 1
5% of Run passedMay 9
10% of Run passedMay 11
50% of Run passedMay 25
90% of Run passedJun 10
95% of Run passedJun 13
Last Day of RunJun 15
Date(s) When Tailrace TDG Percent Crosses 120 %
Apr 25, Apr 26, May 6, Jun 7