Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2024
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 21 - Dec 2)
Total Number of Fish Observed8202
Percent of Total Run Analyzed [Number Observed]100 % [8202]
Temperature Tailrace Exposure Index12.5 C
Percent of Fish Exposed [Number Exposed]1.8 % [152]
Number of Days Fish Exposed21
Middle 80% of Run Period (Apr 24 - May 31)
Number of Fish Observed6714
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [6714]
Temperature Tailrace Exposure Index12.59 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 3 - May 18)
Number of Fish Observed4381
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [4381]
Temperature Tailrace Exposure Index13.03 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedApr 17
10% of Run passedApr 24
50% of Run passedMay 15
90% of Run passedMay 31
95% of Run passedJun 5
Last Day of RunDec 2
Date(s) When Temperature Tailrace Crosses 15 C
Jun 10, Jun 21, Jun 22, Oct 27