Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2019
ProjectMcNary
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 31 - Dec 15)
Total Number of Fish Observed2562
Percent of Total Run Analyzed [Number Observed]99.6 % [2552]1
Temperature Exposure Index12.15 C
Percent of Fish Exposed [Number Exposed]9.1 % [233]
Number of Days Fish Exposed61
Middle 80% of Run Period (Apr 23 - Jun 2)
Number of Fish Observed2078
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [2078]
Temperature Exposure Index11.68 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 29 - May 19)
Number of Fish Observed1306
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1306]
Temperature Exposure Index11.55 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 31
5% of Run passedApr 19
10% of Run passedApr 23
50% of Run passedMay 8
90% of Run passedJun 2
95% of Run passedJul 20
Last Day of RunDec 15
Date(s) When Temperature Crosses 15 C
Jun 4

1. Total Run Analyzed [2552] is less than total observed during the period [2562]. Only fish observed on days with River Parameter data are analyzed.