Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Aug 16, 2020

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Forecasted Yearling Chinook Snake R All Spr/Sum Wild Query Parameters
Year2020
ProjectJohn Day
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateAug 16, 2020
Total Run Period (Mar 16 - Sep 3)
TDG Percent Exposure Index120.42 %
Percent of Fish Exposed70.7 %
Number of Days Fish Exposed35
Middle 80% of Run Period (May 11 - Jun 6)
TDG Percent Exposure Index120.59 %
Percent of Fish Exposed78.7 %
Number of Days Fish Exposed22
Middle 50% of Run Period (May 15 - May 30)
TDG Percent Exposure Index120.33 %
Percent of Fish Exposed72.3 %
Number of Days Fish Exposed12
Run Dates
First Day of RunMar 16
5% of Run passedMay 8
10% of Run passedMay 11
50% of Run passedMay 20
90% of Run passedJun 6
95% of Run passedJun 11
Last Day of RunSep 3
Date(s) When TDG Percent Crosses 120 %
May 4, May 6, May 9, May 10, May 12, May 16, May 17, May 20, May 22, May 28, May 29, Jun 9, Jun 11, Jun 13, Jun 28, Jul 4

1. Total Run Analyzed [99.942] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.