Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 17, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year2024
ProjectJohn Day
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 18 - Jun 19)
TDG Percent Exposure Index118.44 %
Percent of Fish Exposed24.9 %
Number of Days Fish Exposed24
Middle 80% of Run Period (Apr 29 - Jun 10)
TDG Percent Exposure Index118.21 %
Percent of Fish Exposed19.5 %
Number of Days Fish Exposed15
Middle 50% of Run Period (May 6 - May 25)
TDG Percent Exposure Index117.61 %
Percent of Fish Exposed5.2 %
Number of Days Fish Exposed1
Run Dates
First Day of RunMar 18
5% of Run passedApr 25
10% of Run passedApr 29
50% of Run passedMay 12
90% of Run passedJun 10
95% of Run passedJun 14
Last Day of RunJun 19
Date(s) When TDG Percent Crosses 120 %
May 16, May 17, May 26, Jun 7, Jun 9

1. Total Run Analyzed [99.954] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.