Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectIce Harbor
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 22 - Jun 25)
TDG Percent Exposure Index120.9 %
Percent of Fish Exposed77.2 %
Number of Days Fish Exposed53
Middle 80% of Run Period (May 2 - Jun 15)
TDG Percent Exposure Index121.44 %
Percent of Fish Exposed87.7 %
Number of Days Fish Exposed40
Middle 50% of Run Period (May 10 - Jun 7)
TDG Percent Exposure Index122.33 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed29
Run Dates
First Day of RunMar 22
5% of Run passedApr 29
10% of Run passedMay 2
50% of Run passedMay 22
90% of Run passedJun 15
95% of Run passedJun 19
Last Day of RunJun 25
Date(s) When TDG Percent Crosses 120 %
Apr 16, Apr 26, May 7, Jun 19

1. Total Run Analyzed [99.949] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.