Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2019
ProjectJohn Day
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 11 - Jun 23)
Total Number of Fish Observed3783
Percent of Total Run Analyzed [Number Observed]99.94 % [3781]1
Temperature Exposure Index12.04 C
Percent of Fish Exposed [Number Exposed]4.5 % [172]
Number of Days Fish Exposed19
Middle 80% of Run Period (Apr 21 - May 26)
Number of Fish Observed3095
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [3095]
Temperature Exposure Index11.98 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 24 - May 19)
Number of Fish Observed2100
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2100]
Temperature Exposure Index12.07 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 11
5% of Run passedApr 16
10% of Run passedApr 21
50% of Run passedMay 1
90% of Run passedMay 26
95% of Run passedJun 1
Last Day of RunJun 23
Date(s) When Temperature Crosses 15 C
Jun 2

1. Total Run Analyzed [3781] is less than total observed during the period [3783]. Only fish observed on days with River Parameter data are analyzed.