School of Aquatic and Fishery Sciences

Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for Jun 13, 2024

graph

All Adult Chinook mouth to Snake River Query Parameters
Year	2024
Project	Ice Harbor
River Parameter	TDG Percent
Critical TDG Percent Value	120 %
Calculate Exposure	Above Critical Value
River Parameter Data Fill	No
Query Dates	1/1 - 12/31
Forecast Date	Jun 13, 2024

Total Run Period (Mar 22 - Jun 25)
TDG Percent Exposure Index	121.23 %
Percent of Fish Exposed	73.2 %
Number of Days Fish Exposed	49

Middle 80% of Run Period (May 6 - Jun 16)
TDG Percent Exposure Index	121.44 %
Percent of Fish Exposed	78.4 %
Number of Days Fish Exposed	33

Middle 50% of Run Period (May 14 - Jun 5)
TDG Percent Exposure Index	121.95 %
Percent of Fish Exposed	86.8 %
Number of Days Fish Exposed	19

Run Dates
First Day of Run	Mar 22
5% of Run passed	May 2
10% of Run passed	May 6
50% of Run passed	May 20
90% of Run passed	Jun 16
95% of Run passed	Jun 19
Last Day of Run	Jun 25

Date(s) When TDG Percent Crosses 120 %
Apr 16
Apr 26
May 8
May 11
May 14
May 29
Jun 1
Jun 3
Jun 4
Jun 23

1. Total Run Analyzed [99.951] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.