Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 23, 2021

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Forecasted Steelhead Snake R Wild Query Parameters
Year2021
ProjectLower Monumental
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateJul 23, 2021
Total Run Period (Mar 22 - Jul 26)
TDG Percent Exposure Index119.82 %
Percent of Fish Exposed39.1 %
Number of Days Fish Exposed18
Middle 80% of Run Period (May 7 - Jun 6)
TDG Percent Exposure Index119.95 %
Percent of Fish Exposed43.4 %
Number of Days Fish Exposed14
Middle 50% of Run Period (May 14 - May 31)
TDG Percent Exposure Index119.91 %
Percent of Fish Exposed36.3 %
Number of Days Fish Exposed6
Run Dates
First Day of RunMar 22
5% of Run passedMay 2
10% of Run passedMay 7
50% of Run passedMay 22
90% of Run passedJun 6
95% of Run passedJun 10
Last Day of RunJul 26
Date(s) When TDG Percent Crosses 120 %
May 2, May 6, May 7, May 10, May 16, May 22, Jun 2, Jun 7

1. Total Run Analyzed [99.953] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.