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
ProjectJohn Day
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 Index124.4 %
Percent of Fish Exposed98.8 %
Number of Days Fish Exposed58
Middle 80% of Run Period (May 16 - Jun 9)
TDG Percent Exposure Index124.43 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed25
Middle 50% of Run Period (May 20 - Jun 2)
TDG Percent Exposure Index124.26 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed14
Run Dates
First Day of RunMar 23
5% of Run passedMay 14
10% of Run passedMay 16
50% of Run passedMay 26
90% of Run passedJun 9
95% of Run passedJun 13
Last Day of RunNov 14
Date(s) When TDG Percent Crosses 120 %
May 6, Jul 2, Jul 3, Jul 4

1. Total Run Analyzed [99.936] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.