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 - Jun 30)
Total Number of Fish Observed7816
Percent of Total Run Analyzed [Number Observed]100 % [7816]
Temperature Tailrace Exposure Index12.5 C
Percent of Fish Exposed [Number Exposed]1.8 % [146]
Number of Days Fish Exposed18
Middle 80% of Run Period (Apr 24 - May 31)
Number of Fish Observed6363
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [6363]
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 Observed4145
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [4145]
Temperature Tailrace Exposure Index13.05 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 6
Last Day of RunJun 30
Date(s) When Temperature Tailrace Crosses 15 C
Jun 10, Jun 21, Jun 22