Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectLower Monumental
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 24 - Jun 27)
TDG Percent Exposure Index122.33 %
Percent of Fish Exposed87.1 %
Number of Days Fish Exposed60
Middle 80% of Run Period (May 4 - Jun 17)
TDG Percent Exposure Index123.41 %
Percent of Fish Exposed97.9 %
Number of Days Fish Exposed44
Middle 50% of Run Period (May 12 - Jun 8)
TDG Percent Exposure Index123.95 %
Percent of Fish Exposed100 %
Number of Days Fish Exposed28
Run Dates
First Day of RunMar 24
5% of Run passedMay 1
10% of Run passedMay 4
50% of Run passedMay 23
90% of Run passedJun 17
95% of Run passedJun 20
Last Day of RunJun 27
Date(s) When TDG Percent Crosses 120 %
Apr 6, Apr 7, Apr 14, Apr 25, May 5, Jun 23

1. Total Run Analyzed [99.952] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.