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
ProjectLittle Goose
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 14)
TDG Percent Exposure Index120.41 %
Percent of Fish Exposed53.9 %
Number of Days Fish Exposed50
Middle 80% of Run Period (Apr 23 - May 21)
TDG Percent Exposure Index120.34 %
Percent of Fish Exposed49.8 %
Number of Days Fish Exposed16
Middle 50% of Run Period (May 1 - May 12)
TDG Percent Exposure Index120.24 %
Percent of Fish Exposed37.8 %
Number of Days Fish Exposed5
Run Dates
First Day of RunMar 21
5% of Run passedApr 19
10% of Run passedApr 23
50% of Run passedMay 7
90% of Run passedMay 21
95% of Run passedMay 26
Last Day of RunAug 14
Date(s) When TDG Percent Crosses 120 %
Apr 14, Apr 25, Apr 27, Apr 28, Apr 29, May 6, May 13, May 19, May 26, Jun 20

1. Total Run Analyzed [99.937] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.