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
ProjectLower Monumental
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 13)
TDG Percent Exposure Index121.64 %
Percent of Fish Exposed93 %
Number of Days Fish Exposed65
Middle 80% of Run Period (Apr 26 - May 23)
TDG Percent Exposure Index121.58 %
Percent of Fish Exposed94.6 %
Number of Days Fish Exposed24
Middle 50% of Run Period (May 3 - May 15)
TDG Percent Exposure Index121.71 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed13
Run Dates
First Day of RunMar 21
5% of Run passedApr 22
10% of Run passedApr 26
50% of Run passedMay 10
90% of Run passedMay 23
95% of Run passedMay 28
Last Day of RunAug 13
Date(s) When TDG Percent Crosses 120 %
Apr 6, Apr 7, Apr 14, May 20, May 26, Jun 23

1. Total Run Analyzed [99.929] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.