Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 20, 2024

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Forecasted Steelhead Snake R Wild Query Parameters
Year2024
ProjectIce Harbor
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateJul 20, 2024
Total Run Period (Mar 21 - Aug 4)
TDG Percent Exposure Index121.06 %
Percent of Fish Exposed74.4 %
Number of Days Fish Exposed49
Middle 80% of Run Period (May 6 - Jun 8)
TDG Percent Exposure Index121.11 %
Percent of Fish Exposed77.6 %
Number of Days Fish Exposed25
Middle 50% of Run Period (May 15 - May 31)
TDG Percent Exposure Index121.5 %
Percent of Fish Exposed84.3 %
Number of Days Fish Exposed14
Run Dates
First Day of RunMar 21
5% of Run passedMay 1
10% of Run passedMay 6
50% of Run passedMay 23
90% of Run passedJun 8
95% of Run passedJun 12
Last Day of RunAug 4
Date(s) When TDG Percent Crosses 120 %
Apr 16, Apr 26, May 8, May 11, May 14, May 29, Jun 1, Jun 3, Jun 4, Jun 23

1. Total Run Analyzed [99.946] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.