Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 1, 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 DateJul 1, 2024
Total Run Period (Mar 21 - Jul 31)
TDG Percent Exposure Index122.5 %
Percent of Fish Exposed97.4 %
Number of Days Fish Exposed68
Middle 80% of Run Period (May 4 - Jun 7)
TDG Percent Exposure Index122.53 %
Percent of Fish Exposed97.6 %
Number of Days Fish Exposed34
Middle 50% of Run Period (May 13 - May 30)
TDG Percent Exposure Index123.03 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed18
Run Dates
First Day of RunMar 21
5% of Run passedApr 29
10% of Run passedMay 4
50% of Run passedMay 21
90% of Run passedJun 7
95% of Run passedJun 11
Last Day of RunJul 31
Date(s) When TDG Percent Crosses 120 %
Apr 6, Apr 7, Apr 14, May 11, May 12, Jun 21

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.