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	Lower Granite
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 27 - Jul 1)
TDG Percent Exposure Index	122.25 %
Percent of Fish Exposed	81.9 %
Number of Days Fish Exposed	63

Middle 80% of Run Period (May 11 - Jun 20)
TDG Percent Exposure Index	123.53 %
Percent of Fish Exposed	89.8 %
Number of Days Fish Exposed	35

Middle 50% of Run Period (May 18 - Jun 10)
TDG Percent Exposure Index	123.85 %
Percent of Fish Exposed	100 %
Number of Days Fish Exposed	24

Run Dates
First Day of Run	Mar 27
5% of Run passed	May 6
10% of Run passed	May 11
50% of Run passed	May 25
90% of Run passed	Jun 20
95% of Run passed	Jun 24
Last Day of Run	Jul 1

Date(s) When TDG Percent Crosses 120 %
Apr 6
Apr 7
Apr 14
Jun 15

1. Total Run Analyzed [99.956] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.