Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Spring/Summer Chinook Query Parameters
Year2021
ProjectIce Harbor
River ParameterTemperature Tailrace
Critical Temperature Tailrace Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 24 - Jul 15)
Total Number of Fish Observed576
Percent of Total Run Analyzed [Number Observed]100 % [576]
Temperature Tailrace Exposure Index12.81 C
Percent of Fish Exposed [Number Exposed]5.9 % [34]
Number of Days Fish Exposed20
Middle 80% of Run Period (Apr 28 - May 24)
Number of Fish Observed474
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [474]
Temperature Tailrace Exposure Index12.58 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Middle 50% of Run Period (May 2 - May 15)
Number of Fish Observed332
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [332]
Temperature Tailrace Exposure Index12.62 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 28
50% of Run passedMay 7
90% of Run passedMay 24
95% of Run passedJun 11
Last Day of RunJul 15
Date(s) When Temperature Tailrace Crosses 15 C
Jun 9