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
ProjectLittle Goose
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 14)
TDG Percent Exposure Index120.66 %
Percent of Fish Exposed69.7 %
Number of Days Fish Exposed57
Middle 80% of Run Period (Apr 22 - May 23)
TDG Percent Exposure Index120.13 %
Percent of Fish Exposed64.9 %
Number of Days Fish Exposed22
Middle 50% of Run Period (Apr 29 - May 15)
TDG Percent Exposure Index119.74 %
Percent of Fish Exposed63.4 %
Number of Days Fish Exposed11
Run Dates
First Day of RunMar 21
5% of Run passedApr 18
10% of Run passedApr 22
50% of Run passedMay 7
90% of Run passedMay 23
95% of Run passedMay 28
Last Day of RunAug 14
Date(s) When TDG Percent Crosses 120 %
Apr 14, Apr 25, May 5, Jun 20

1. Total Run Analyzed [99.933] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.