Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2024
ProjectThe Dalles
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 - May 17)
Total Number of Fish Observed59097
Percent of Total Run Analyzed [Number Observed]100 % [59097]
Tailrace TDG Percent Exposure Index116.96 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 80% of Run Period (Apr 26 - May 14)
Number of Fish Observed49475
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [49475]
Tailrace TDG Percent Exposure Index116.71 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 3 - May 12)
Number of Fish Observed33872
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [33872]
Tailrace TDG Percent Exposure Index116.63 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedApr 23
10% of Run passedApr 26
50% of Run passedMay 7
90% of Run passedMay 14
95% of Run passedMay 15
Last Day of RunMay 17