Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2022
ProjectLower Granite
River ParameterTemperature Tailrace
Critical Temperature Tailrace Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 8 - Nov 16)
Total Number of Fish Observed10805
Percent of Total Run Analyzed [Number Observed]99.82 % [10786]1
Temperature Tailrace Exposure Index10.6 C
Percent of Fish Exposed [Number Exposed]0.1 % [21]
Number of Days Fish Exposed14
Middle 80% of Run Period (May 3 - Jun 7)
Number of Fish Observed8721
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [8721]
Temperature Tailrace Exposure Index10.59 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 8 - May 28)
Number of Fish Observed5644
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [5644]
Temperature Tailrace Exposure Index10.48 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 8
5% of Run passedApr 28
10% of Run passedMay 3
50% of Run passedMay 18
90% of Run passedJun 7
95% of Run passedJun 11
Last Day of RunNov 16
Date(s) When Temperature Tailrace Crosses 15 C
Jun 26, Oct 27

1. Total Run Analyzed [10786] is less than total observed during the period [10805]. Only fish observed on days with River Parameter data are analyzed.