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
ProjectMcNary
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 16)
TDG Percent Exposure Index119.29 %
Percent of Fish Exposed33.3 %
Number of Days Fish Exposed33
Middle 80% of Run Period (May 1 - May 29)
TDG Percent Exposure Index119.45 %
Percent of Fish Exposed30.8 %
Number of Days Fish Exposed11
Middle 50% of Run Period (May 7 - May 22)
TDG Percent Exposure Index119.58 %
Percent of Fish Exposed21.6 %
Number of Days Fish Exposed4
Run Dates
First Day of RunMar 21
5% of Run passedApr 27
10% of Run passedMay 1
50% of Run passedMay 14
90% of Run passedMay 29
95% of Run passedJun 3
Last Day of RunAug 16
Date(s) When TDG Percent Crosses 120 %
May 19, Jun 7, Jun 9, Jun 23

1. Total Run Analyzed [99.945] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.