Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 17, 2024

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Forecasted Steelhead Snake R Wild Query Parameters
Year2024
ProjectBonneville
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateMay 17, 2024
Total Run Period (Mar 21 - Aug 20)
TDG Percent Exposure Index118.55 %
Percent of Fish Exposed26 %
Number of Days Fish Exposed27
Middle 80% of Run Period (May 10 - Jun 1)
TDG Percent Exposure Index118.29 %
Percent of Fish Exposed22.8 %
Number of Days Fish Exposed8
Middle 50% of Run Period (May 16 - May 26)
TDG Percent Exposure Index117.16 %
Percent of Fish Exposed7 %
Number of Days Fish Exposed1
Run Dates
First Day of RunMar 21
5% of Run passedMay 5
10% of Run passedMay 10
50% of Run passedMay 21
90% of Run passedJun 1
95% of Run passedJun 6
Last Day of RunAug 20
Date(s) When TDG Percent Crosses 120 %
Apr 20, Apr 21, May 10, May 11, May 26, Jun 7, Jun 10, Jun 23

1. Total Run Analyzed [99.954] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.