Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Chinook Query Parameters
Year2017
ProjectIce Harbor
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 (Apr 7 - Jun 15)
Total Number of Fish Observed30553
Percent of Total Run Analyzed [Number Observed]99.99 % [30552]1
Tailrace TDG Percent Exposure Index122.18 %
Percent of Fish Exposed [Number Exposed]100 % [30552]
Number of Days Fish Exposed64
Middle 80% of Run Period (May 16 - Jun 10)
Number of Fish Observed25048
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [25048]
Tailrace TDG Percent Exposure Index122.19 %
Percent of Fish Exposed [Number Exposed]100 % [25048]
Number of Days Fish Exposed26
Middle 50% of Run Period (May 22 - Jun 3)
Number of Fish Observed17019
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [17019]
Tailrace TDG Percent Exposure Index122.39 %
Percent of Fish Exposed [Number Exposed]100 % [17019]
Number of Days Fish Exposed13
Run Dates
First Day of RunApr 7
5% of Run passedMay 12
10% of Run passedMay 16
50% of Run passedMay 28
90% of Run passedJun 10
95% of Run passedJun 13
Last Day of RunJun 15

1. Total Run Analyzed [30552] is less than total observed during the period [30553]. Only fish observed on days with River Parameter data are analyzed.