Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Aug 18, 2022

graph

Forecasted Yearling Chinook Snake R All Spr/Sum Wild Query Parameters
Year2022
ProjectBonneville
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateAug 18, 2022
Total Run Period (Mar 23 - Nov 14)
TDG Percent Exposure Index121.09 %
Percent of Fish Exposed88.7 %
Number of Days Fish Exposed51
Middle 80% of Run Period (May 19 - Jun 11)
TDG Percent Exposure Index120.89 %
Percent of Fish Exposed90.6 %
Number of Days Fish Exposed22
Middle 50% of Run Period (May 23 - Jun 4)
TDG Percent Exposure Index120.54 %
Percent of Fish Exposed91.5 %
Number of Days Fish Exposed12
Run Dates
First Day of RunMar 23
5% of Run passedMay 17
10% of Run passedMay 19
50% of Run passedMay 28
90% of Run passedJun 11
95% of Run passedJun 14
Last Day of RunNov 14
Date(s) When TDG Percent Crosses 120 %
May 6, May 7, May 9, May 18, May 20, May 25, May 26, Jul 1

1. Total Run Analyzed [99.948] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.