Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectBonneville
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 16 - Jun 13)
TDG Percent Exposure Index118.52 %
Percent of Fish Exposed52.6 %
Number of Days Fish Exposed39
Middle 80% of Run Period (Apr 22 - Jun 7)
TDG Percent Exposure Index118.4 %
Percent of Fish Exposed53.2 %
Number of Days Fish Exposed33
Middle 50% of Run Period (Apr 28 - May 22)
TDG Percent Exposure Index118.46 %
Percent of Fish Exposed59.4 %
Number of Days Fish Exposed18
Run Dates
First Day of RunMar 16
5% of Run passedApr 20
10% of Run passedApr 22
50% of Run passedMay 6
90% of Run passedJun 7
95% of Run passedJun 11
Last Day of RunJun 13
Date(s) When TDG Percent Crosses 120 %
Apr 20, Apr 21, May 5, Jun 7, Jun 9

1. Total Run Analyzed [98.65] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.