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 Observed2252
Percent of Total Run Analyzed [Number Observed]99.24 % [2235]1
Temperature Exposure Index13.18 C
Percent of Fish Exposed [Number Exposed]18.1 % [405]
Number of Days Fish Exposed62
Middle 80% of Run Period (Apr 27 - Jul 9)
Number of Fish Observed1856
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1856]
Temperature Exposure Index12.87 C
Percent of Fish Exposed [Number Exposed]12.6 % [235]
Number of Days Fish Exposed27
Middle 50% of Run Period (May 2 - May 29)
Number of Fish Observed1178
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1178]
Temperature Exposure Index12.29 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 9
95% of Run passedJul 15
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 [2235] is less than total observed during the period [2252]. Only fish observed on days with River Parameter data are analyzed.