Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Aug 10, 2019

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Forecasted Yearling Chinook Snake R All Spr/Sum Wild Query Parameters
Year2019
ProjectJohn Day
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateAug 10, 2019
Total Run Period (Mar 25 - Aug 30)
TDG Percent Exposure Index119.15 %
Percent of Fish Exposed12.2 %
Number of Days Fish Exposed6
Middle 80% of Run Period (May 4 - May 31)
TDG Percent Exposure Index119.32 %
Percent of Fish Exposed14.3 %
Number of Days Fish Exposed4
Middle 50% of Run Period (May 10 - May 24)
TDG Percent Exposure Index119.43 %
Percent of Fish Exposed22.7 %
Number of Days Fish Exposed4
Run Dates
First Day of RunMar 25
5% of Run passedMay 1
10% of Run passedMay 4
50% of Run passedMay 15
90% of Run passedMay 31
95% of Run passedJun 5
Last Day of RunAug 30
Date(s) When TDG Percent Crosses 120 %
Apr 24, Apr 26, May 17, May 19, May 20, May 21, May 24, May 25

1. Total Run Analyzed [99.95] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.