Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2017
ProjectThe Dalles
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 16 - Jun 15)
Total Number of Fish Observed74023
Percent of Total Run Analyzed [Number Observed]100 % [74023]
Tailrace TDG Percent Exposure Index123.1 %
Percent of Fish Exposed [Number Exposed]100 % [74023]
Number of Days Fish Exposed80
Middle 80% of Run Period (May 9 - Jun 10)
Number of Fish Observed60821
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [60821]
Tailrace TDG Percent Exposure Index123.68 %
Percent of Fish Exposed [Number Exposed]100 % [60821]
Number of Days Fish Exposed33
Middle 50% of Run Period (May 17 - Jun 2)
Number of Fish Observed38983
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [38983]
Tailrace TDG Percent Exposure Index123.51 %
Percent of Fish Exposed [Number Exposed]100 % [38983]
Number of Days Fish Exposed17
Run Dates
First Day of RunMar 16
5% of Run passedMay 7
10% of Run passedMay 9
50% of Run passedMay 24
90% of Run passedJun 10
95% of Run passedJun 13
Last Day of RunJun 15