Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2017
ProjectBonneville
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 20)
Total Number of Fish Observed2319
Percent of Total Run Analyzed [Number Observed]99.35 % [2304]1
Temperature Exposure Index13.01 C
Percent of Fish Exposed [Number Exposed]17.7 % [408]
Number of Days Fish Exposed62
Middle 80% of Run Period (Apr 27 - Jul 8)
Number of Fish Observed1882
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1882]
Temperature Exposure Index12.54 C
Percent of Fish Exposed [Number Exposed]10.5 % [198]
Number of Days Fish Exposed26
Middle 50% of Run Period (May 2 - May 29)
Number of Fish Observed1231
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1231]
Temperature Exposure Index12.12 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 24
10% of Run passedApr 27
50% of Run passedMay 9
90% of Run passedJul 8
95% of Run passedJul 14
Last Day of RunDec 20
Date(s) When Temperature Crosses 15 C
Jun 2, Jun 4, Jun 7, Jun 9, Jun 16

1. Total Run Analyzed [2304] is less than total observed during the period [2319]. Only fish observed on days with River Parameter data are analyzed.