Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 13, 2019

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Forecasted Steelhead Snake R 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 DateJul 13, 2019
Total Run Period (Mar 18 - Jul 24)
TDG Percent Exposure Index119.15 %
Percent of Fish Exposed11.7 %
Number of Days Fish Exposed6
Middle 80% of Run Period (Apr 30 - Jun 2)
TDG Percent Exposure Index119.26 %
Percent of Fish Exposed12.3 %
Number of Days Fish Exposed4
Middle 50% of Run Period (May 7 - May 26)
TDG Percent Exposure Index119.45 %
Percent of Fish Exposed19.5 %
Number of Days Fish Exposed4
Run Dates
First Day of RunMar 18
5% of Run passedApr 27
10% of Run passedApr 30
50% of Run passedMay 16
90% of Run passedJun 2
95% of Run passedJun 6
Last Day of RunJul 24
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 [99.956] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.