Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2020
ProjectMcNary
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 22 - Jun 21)
Total Number of Fish Observed476
Percent of Total Run Analyzed [Number Observed]99.57 % [474]1
Temperature Exposure Index10.86 C
Percent of Fish Exposed [Number Exposed]0.2 % [1]
Number of Days Fish Exposed1
Middle 80% of Run Period (Apr 5 - May 27)
Number of Fish Observed391
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [391]
Temperature Exposure Index10.95 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 10 - May 16)
Number of Fish Observed249
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [249]
Temperature Exposure Index11.26 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 22
5% of Run passedApr 2
10% of Run passedApr 5
50% of Run passedMay 5
90% of Run passedMay 27
95% of Run passedJun 2
Last Day of RunJun 21
Date(s) When Temperature Crosses 15 C
Jun 19

1. Total Run Analyzed [474] is less than total observed during the period [476]. Only fish observed on days with River Parameter data are analyzed.