Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2019
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Feb 9 - Oct 15)
Total Number of Fish Observed3130
Percent of Total Run Analyzed [Number Observed]99.64 % [3119]1
Temperature Exposure Index13.77 C
Percent of Fish Exposed [Number Exposed]16.3 % [511]
Number of Days Fish Exposed73
Middle 80% of Run Period (May 2 - Jun 11)
Number of Fish Observed2532
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [2532]
Temperature Exposure Index13.36 C
Percent of Fish Exposed [Number Exposed]8.2 % [208]
Number of Days Fish Exposed11
Middle 50% of Run Period (May 7 - May 27)
Number of Fish Observed1627
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1627]
Temperature Exposure Index13.33 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunFeb 9
5% of Run passedApr 29
10% of Run passedMay 2
50% of Run passedMay 16
90% of Run passedJun 11
95% of Run passedJun 28
Last Day of RunOct 15
Date(s) When Temperature Crosses 15 C
Jun 1

1. Total Run Analyzed [3119] is less than total observed during the period [3130]. Only fish observed on days with River Parameter data are analyzed.