Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 17, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectLower Granite
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateMay 17, 2024
Total Run Period (Mar 27 - Jul 1)
TDG Percent Exposure Index119.78 %
Percent of Fish Exposed47.9 %
Number of Days Fish Exposed53
Middle 80% of Run Period (May 11 - Jun 20)
TDG Percent Exposure Index119.84 %
Percent of Fish Exposed47.2 %
Number of Days Fish Exposed25
Middle 50% of Run Period (May 19 - Jun 11)
TDG Percent Exposure Index118.97 %
Percent of Fish Exposed43.3 %
Number of Days Fish Exposed15
Run Dates
First Day of RunMar 27
5% of Run passedMay 7
10% of Run passedMay 11
50% of Run passedMay 26
90% of Run passedJun 20
95% of Run passedJun 23
Last Day of RunJul 1
Date(s) When TDG Percent Crosses 120 %
Apr 6, Apr 7, Apr 14, May 17, May 26, Jun 7, Jun 9, Jun 16

1. Total Run Analyzed [99.95] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.