Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2020
ProjectLower Monumental
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 24 - Dec 15)
Total Number of Fish Observed1145
Percent of Total Run Analyzed [Number Observed]99.21 % [1136]1
Temperature Exposure Index11.57 C
Percent of Fish Exposed [Number Exposed]2 % [23]
Number of Days Fish Exposed9
Middle 80% of Run Period (Apr 27 - May 26)
Number of Fish Observed967
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [967]
Temperature Exposure Index11.48 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 2 - May 18)
Number of Fish Observed635
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [635]
Temperature Exposure Index11.62 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 24
5% of Run passedApr 26
10% of Run passedApr 27
50% of Run passedMay 7
90% of Run passedMay 26
95% of Run passedJun 1
Last Day of RunDec 15
Date(s) When Temperature Crosses 15 C
Jun 19, Jun 23, Jun 25

1. Total Run Analyzed [1136] is less than total observed during the period [1145]. Only fish observed on days with River Parameter data are analyzed.