Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2022
ProjectJohn Day
River ParameterTemperature Tailrace
Critical Temperature Tailrace Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 4 - Nov 25)
Total Number of Fish Observed1044
Percent of Total Run Analyzed [Number Observed]100 % [1044]
Temperature Tailrace Exposure Index13.57 C
Percent of Fish Exposed [Number Exposed]13 % [136]
Number of Days Fish Exposed55
Middle 80% of Run Period (May 11 - Jul 7)
Number of Fish Observed847
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [847]
Temperature Tailrace Exposure Index13 C
Percent of Fish Exposed [Number Exposed]4 % [34]
Number of Days Fish Exposed12
Middle 50% of Run Period (May 20 - Jun 8)
Number of Fish Observed533
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [533]
Temperature Tailrace Exposure Index12.92 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunApr 4
5% of Run passedMay 6
10% of Run passedMay 11
50% of Run passedMay 29
90% of Run passedJul 7
95% of Run passedAug 10
Last Day of RunNov 25
Date(s) When Temperature Tailrace Crosses 15 C
Jun 25, Nov 3