Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2017
ProjectMcNary
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 3 - Dec 17)
Total Number of Fish Observed5032
Percent of Total Run Analyzed [Number Observed]99.08 % [4986]1
Temperature Exposure Index11.55 C
Percent of Fish Exposed [Number Exposed]11.6 % [581]
Number of Days Fish Exposed68
Middle 80% of Run Period (Apr 21 - Jul 4)
Number of Fish Observed4121
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [4121]
Temperature Exposure Index10.9 C
Percent of Fish Exposed [Number Exposed]3.3 % [136]
Number of Days Fish Exposed15
Middle 50% of Run Period (Apr 25 - May 18)
Number of Fish Observed2652
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2652]
Temperature Exposure Index10.48 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 3
5% of Run passedApr 18
10% of Run passedApr 21
50% of Run passedMay 2
90% of Run passedJul 4
95% of Run passedJul 24
Last Day of RunDec 17
Date(s) When Temperature Crosses 15 C
Jun 18

1. Total Run Analyzed [4986] is less than total observed during the period [5032]. Only fish observed on days with River Parameter data are analyzed.