Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2016
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Jan 14 - Dec 20)
Total Number of Fish Observed2708
Percent of Total Run Analyzed [Number Observed]99.85 % [2704]1
Temperature Exposure Index13.23 C
Percent of Fish Exposed [Number Exposed]9.2 % [251]
Number of Days Fish Exposed45
Middle 80% of Run Period (Apr 24 - May 19)
Number of Fish Observed2221
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [2221]
Temperature Exposure Index13.07 C
Percent of Fish Exposed [Number Exposed]3.6 % [80]
Number of Days Fish Exposed2
Middle 50% of Run Period (Apr 29 - May 10)
Number of Fish Observed1465
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1465]
Temperature Exposure Index12.91 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunJan 14
5% of Run passedApr 21
10% of Run passedApr 24
50% of Run passedMay 4
90% of Run passedMay 19
95% of Run passedMay 28
Last Day of RunDec 20
Date(s) When Temperature Crosses 15 C
May 18, May 21, May 25, May 27, May 29

1. Total Run Analyzed [2704] is less than total observed during the period [2708]. Only fish observed on days with River Parameter data are analyzed.