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
ProjectThe Dalles
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 19)
TDG Percent Exposure Index118.47 %
Percent of Fish Exposed19.6 %
Number of Days Fish Exposed26
Middle 80% of Run Period (May 7 - May 31)
TDG Percent Exposure Index118.32 %
Percent of Fish Exposed14.1 %
Number of Days Fish Exposed6
Middle 50% of Run Period (May 14 - May 24)
TDG Percent Exposure Index118.07 %
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedMay 3
10% of Run passedMay 7
50% of Run passedMay 19
90% of Run passedMay 31
95% of Run passedJun 5
Last Day of RunAug 19
Date(s) When TDG Percent Crosses 120 %
May 26, Jun 7, Jun 9, Jun 23

1. Total Run Analyzed [99.9510000000001] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.