School of Aquatic and Fishery Sciences

Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 23, 2024

graph

Forecasted Steelhead Snake R Wild Query Parameters
Year	2024
Project	Little Goose
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	Jul 23, 2024

Total Run Period (Mar 21 - Aug 2)
TDG Percent Exposure Index	122.03 %
Percent of Fish Exposed	72.7 %
Number of Days Fish Exposed	49

Middle 80% of Run Period (May 2 - Jun 6)
TDG Percent Exposure Index	121.97 %
Percent of Fish Exposed	70.2 %
Number of Days Fish Exposed	23

Middle 50% of Run Period (May 11 - May 27)
TDG Percent Exposure Index	122.75 %
Percent of Fish Exposed	88.1 %
Number of Days Fish Exposed	14

Run Dates
First Day of Run	Mar 21
5% of Run passed	Apr 26
10% of Run passed	May 2
50% of Run passed	May 19
90% of Run passed	Jun 6
95% of Run passed	Jun 10
Last Day of Run	Aug 2

Date(s) When TDG Percent Crosses 120 %
Apr 14
Apr 25
Apr 27
Apr 28
Apr 29
May 6
May 14
May 28
Jun 2
Jun 18

1. Total Run Analyzed [99.945] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.