Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2020
ProjectLower Granite
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 16 - Dec 15)
Total Number of Fish Observed9590
Percent of Total Run Analyzed [Number Observed]99.5 % [9543]1
Temperature Exposure Index10.74 C
Percent of Fish Exposed [Number Exposed]1.8 % [178]
Number of Days Fish Exposed21
Middle 80% of Run Period (Apr 20 - May 24)
Number of Fish Observed7753
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [7753]
Temperature Exposure Index10.61 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (Apr 23 - May 12)
Number of Fish Observed5270
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [5270]
Temperature Exposure Index10.73 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 16
5% of Run passedApr 17
10% of Run passedApr 20
50% of Run passedApr 29
90% of Run passedMay 24
95% of Run passedJun 4
Last Day of RunDec 15
Date(s) When Temperature Crosses 15 C
Jun 24, Jul 3, Jul 5

1. Total Run Analyzed [9543] is less than total observed during the period [9590]. Only fish observed on days with River Parameter data are analyzed.