Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 1, 2024

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Forecasted Yearling Chinook Snake R All Spr/Sum Wild Query Parameters
Year2024
ProjectJohn Day
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateMay 1, 2024
Total Run Period (Mar 27 - Nov 21)
TDG Percent Exposure Index119.82 %
Percent of Fish Exposed62.7 %
Number of Days Fish Exposed40
Middle 80% of Run Period (May 3 - Jun 2)
TDG Percent Exposure Index120.09 %
Percent of Fish Exposed67 %
Number of Days Fish Exposed22
Middle 50% of Run Period (May 9 - May 24)
TDG Percent Exposure Index120.36 %
Percent of Fish Exposed79.8 %
Number of Days Fish Exposed13
Run Dates
First Day of RunMar 27
5% of Run passedMay 1
10% of Run passedMay 3
50% of Run passedMay 16
90% of Run passedJun 2
95% of Run passedJun 9
Last Day of RunNov 21
Date(s) When TDG Percent Crosses 120 %
May 12, Jun 7, Jun 9, Jun 23

1. Total Run Analyzed [99.9150000000001] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.