Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2020
ProjectLittle Goose
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 10 - Dec 13)
Total Number of Fish Observed1905
Percent of Total Run Analyzed [Number Observed]98.42 % [1875]1
Temperature Exposure Index11.34 C
Percent of Fish Exposed [Number Exposed]1.4 % [28]
Number of Days Fish Exposed12
Middle 80% of Run Period (Apr 26 - May 29)
Number of Fish Observed1566
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [1566]
Temperature Exposure Index11.15 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 1 - May 21)
Number of Fish Observed1051
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1051]
Temperature Exposure Index11.21 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 10
5% of Run passedApr 24
10% of Run passedApr 26
50% of Run passedMay 12
90% of Run passedMay 29
95% of Run passedJun 7
Last Day of RunDec 13
Date(s) When Temperature Crosses 15 C
Jun 18, Jun 19, Jun 24

1. Total Run Analyzed [1875] is less than total observed during the period [1905]. Only fish observed on days with River Parameter data are analyzed.