Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2018
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 20 - Jun 19)
Total Number of Fish Observed6931
Percent of Total Run Analyzed [Number Observed]99.92 % [6926]1
Temperature Exposure Index11.74 C
Percent of Fish Exposed [Number Exposed]0.6 % [44]
Number of Days Fish Exposed10
Middle 80% of Run Period (Apr 22 - May 26)
Number of Fish Observed5698
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [5698]
Temperature Exposure Index11.78 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 3 - May 19)
Number of Fish Observed3505
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [3505]
Temperature Exposure Index11.5 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 20
5% of Run passedApr 16
10% of Run passedApr 22
50% of Run passedMay 12
90% of Run passedMay 26
95% of Run passedMay 29
Last Day of RunJun 19
Date(s) When Temperature Crosses 15 C
Jun 8

1. Total Run Analyzed [6926] is less than total observed during the period [6931]. Only fish observed on days with River Parameter data are analyzed.