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
ProjectMcNary
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 15)
TDG Percent Exposure Index117.61 %
Percent of Fish Exposed16.5 %
Number of Days Fish Exposed27
Middle 80% of Run Period (May 1 - May 26)
TDG Percent Exposure Index117.18 %
Percent of Fish Exposed8.9 %
Number of Days Fish Exposed2
Middle 50% of Run Period (May 8 - May 19)
TDG Percent Exposure Index117.53 %
Percent of Fish Exposed11.3 %
Number of Days Fish Exposed1
Run Dates
First Day of RunMar 21
5% of Run passedApr 27
10% of Run passedMay 1
50% of Run passedMay 15
90% of Run passedMay 26
95% of Run passedJun 1
Last Day of RunAug 15
Date(s) When TDG Percent Crosses 120 %
May 16, May 17, May 26, Jun 7, Jun 9, Jun 23

1. Total Run Analyzed [99.947] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.