Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2017
ProjectMcNary
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 3 - Nov 21)
Total Number of Fish Observed4777
Percent of Total Run Analyzed [Number Observed]99.43 % [4750]1
Temperature Exposure Index11.73 C
Percent of Fish Exposed [Number Exposed]12.1 % [579]
Number of Days Fish Exposed68
Middle 80% of Run Period (Apr 21 - Jul 4)
Number of Fish Observed3914
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [3914]
Temperature Exposure Index11.05 C
Percent of Fish Exposed [Number Exposed]3.4 % [136]
Number of Days Fish Exposed15
Middle 50% of Run Period (Apr 25 - May 19)
Number of Fish Observed2544
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2544]
Temperature Exposure Index10.63 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 3
5% of Run passedApr 18
10% of Run passedApr 21
50% of Run passedMay 2
90% of Run passedJul 4
95% of Run passedJul 24
Last Day of RunNov 21
Date(s) When Temperature Crosses 15 C
Jun 18

1. Total Run Analyzed [4750] is less than total observed during the period [4777]. Only fish observed on days with River Parameter data are analyzed.