Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectMcNary
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 21 - Jun 23)
TDG Percent Exposure Index119.62 %
Percent of Fish Exposed44.9 %
Number of Days Fish Exposed33
Middle 80% of Run Period (Apr 29 - Jun 12)
TDG Percent Exposure Index119.8 %
Percent of Fish Exposed43 %
Number of Days Fish Exposed23
Middle 50% of Run Period (May 7 - Jun 2)
TDG Percent Exposure Index120.52 %
Percent of Fish Exposed45.5 %
Number of Days Fish Exposed15
Run Dates
First Day of RunMar 21
5% of Run passedApr 27
10% of Run passedApr 29
50% of Run passedMay 17
90% of Run passedJun 12
95% of Run passedJun 16
Last Day of RunJun 23
Date(s) When TDG Percent Crosses 120 %
May 19, Jun 7, Jun 9, 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.