Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectLittle Goose
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 25 - Jun 29)
TDG Percent Exposure Index122.28 %
Percent of Fish Exposed83.1 %
Number of Days Fish Exposed57
Middle 80% of Run Period (May 5 - Jun 18)
TDG Percent Exposure Index123.67 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed45
Middle 50% of Run Period (May 13 - Jun 10)
TDG Percent Exposure Index124.25 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed29
Run Dates
First Day of RunMar 25
5% of Run passedMay 2
10% of Run passedMay 5
50% of Run passedMay 25
90% of Run passedJun 18
95% of Run passedJun 22
Last Day of RunJun 29
Date(s) When TDG Percent Crosses 120 %
Apr 14, Apr 25, May 5, Jun 20

1. Total Run Analyzed [99.954] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.