Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2018
ProjectJohn Day
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Feb 27 - Jun 21)
Total Number of Fish Observed5015
Percent of Total Run Analyzed [Number Observed]99.96 % [5013]1
Temperature Exposure Index11.69 C
Percent of Fish Exposed [Number Exposed]2.3 % [118]
Number of Days Fish Exposed19
Middle 80% of Run Period (Apr 25 - May 20)
Number of Fish Observed4098
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [4098]
Temperature Exposure Index11.55 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 28 - May 9)
Number of Fish Observed2781
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2781]
Temperature Exposure Index11.45 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunFeb 27
5% of Run passedApr 23
10% of Run passedApr 25
50% of Run passedMay 1
90% of Run passedMay 20
95% of Run passedMay 28
Last Day of RunJun 21
Date(s) When Temperature Crosses 15 C
May 30, Jun 3, Jun 6

1. Total Run Analyzed [5013] is less than total observed during the period [5015]. Only fish observed on days with River Parameter data are analyzed.