Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2017
ProjectJohn Day
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 4 - Nov 22)
Total Number of Fish Observed9540
Percent of Total Run Analyzed [Number Observed]99.95 % [9536]1
Temperature Exposure Index11.05 C
Percent of Fish Exposed [Number Exposed]3.3 % [323]
Number of Days Fish Exposed69
Middle 80% of Run Period (Apr 23 - May 22)
Number of Fish Observed8012
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [8012]
Temperature Exposure Index10.7 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 27 - May 12)
Number of Fish Observed5124
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [5124]
Temperature Exposure Index10.91 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 4
5% of Run passedApr 22
10% of Run passedApr 23
50% of Run passedMay 2
90% of Run passedMay 22
95% of Run passedJun 3
Last Day of RunNov 22
Date(s) When Temperature Crosses 15 C
Jun 17

1. Total Run Analyzed [9536] is less than total observed during the period [9540]. Only fish observed on days with River Parameter data are analyzed.