Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2020
ProjectLittle Goose
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 16 - Jun 25)
Total Number of Fish Observed938
Percent of Total Run Analyzed [Number Observed]99.78 % [936]1
Temperature Exposure Index11.11 C
Percent of Fish Exposed [Number Exposed]0.2 % [2]
Number of Days Fish Exposed2
Middle 80% of Run Period (Apr 27 - May 24)
Number of Fish Observed764
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [764]
Temperature Exposure Index11.08 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 30 - May 21)
Number of Fish Observed585
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [585]
Temperature Exposure Index11.15 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 16
5% of Run passedApr 21
10% of Run passedApr 27
50% of Run passedMay 13
90% of Run passedMay 24
95% of Run passedMay 28
Last Day of RunJun 25
Date(s) When Temperature Crosses 15 C
Jun 18, Jun 19, Jun 24

1. Total Run Analyzed [936] is less than total observed during the period [938]. Only fish observed on days with River Parameter data are analyzed.