Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2018
ProjectMcNary
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 1 - Dec 1)
Total Number of Fish Observed3895
Percent of Total Run Analyzed [Number Observed]99.87 % [3890]1
Temperature Exposure Index11.67 C
Percent of Fish Exposed [Number Exposed]6 % [234]
Number of Days Fish Exposed67
Middle 80% of Run Period (Apr 22 - May 25)
Number of Fish Observed3164
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [3164]
Temperature Exposure Index11.29 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 29 - May 11)
Number of Fish Observed1999
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1999]
Temperature Exposure Index11.28 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 1
5% of Run passedApr 19
10% of Run passedApr 22
50% of Run passedMay 3
90% of Run passedMay 25
95% of Run passedJun 23
Last Day of RunDec 1
Date(s) When Temperature Crosses 15 C
Jun 8, Jun 10, Jun 12

1. Total Run Analyzed [3890] is less than total observed during the period [3895]. Only fish observed on days with River Parameter data are analyzed.