Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2024
ProjectBonneville
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 (Mar 17 - May 2)
Total Number of Fish Observed26857
Percent of Total Run Analyzed [Number Observed]99.8 % [26805]1
Tailrace TDG Percent Exposure Index117.85 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 80% of Run Period (Apr 19 - May 2)
Number of Fish Observed24680
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [24680]
Tailrace TDG Percent Exposure Index117.86 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 23 - Apr 30)
Number of Fish Observed14344
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [14344]
Tailrace TDG Percent Exposure Index118.16 %
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 17
5% of Run passedApr 17
10% of Run passedApr 19
50% of Run passedApr 27
90% of Run passedMay 2
95% of Run passedMay 2
Last Day of RunMay 2

1. Total Run Analyzed [26805] is less than total observed during the period [26857]. Only fish observed on days with River Parameter data are analyzed.