Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 1, 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 1, 2024
Total Run Period (Mar 21 - Aug 20)
TDG Percent Exposure Index120.82 %
Percent of Fish Exposed93.5 %
Number of Days Fish Exposed48
Middle 80% of Run Period (May 9 - Jun 4)
TDG Percent Exposure Index121.22 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed27
Middle 50% of Run Period (May 15 - May 28)
TDG Percent Exposure Index121.27 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed14
Run Dates
First Day of RunMar 21
5% of Run passedMay 5
10% of Run passedMay 9
50% of Run passedMay 21
90% of Run passedJun 4
95% of Run passedJun 8
Last Day of RunAug 20
Date(s) When TDG Percent Crosses 120 %
Apr 20, Apr 21, May 5, Jun 7, Jun 9, Jun 23

1. Total Run Analyzed [99.9540000000001] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.