Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2016
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 12 - Jul 5)
Total Number of Fish Observed4929
Percent of Total Run Analyzed [Number Observed]100 % [4929]
Temperature Exposure Index13.7 C
Percent of Fish Exposed [Number Exposed]18.2 % [898]
Number of Days Fish Exposed36
Middle 80% of Run Period (Apr 23 - May 25)
Number of Fish Observed4065
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [4065]
Temperature Exposure Index13.7 C
Percent of Fish Exposed [Number Exposed]13.6 % [556]
Number of Days Fish Exposed4
Middle 50% of Run Period (Apr 30 - May 19)
Number of Fish Observed2725
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [2725]
Temperature Exposure Index13.89 C
Percent of Fish Exposed [Number Exposed]12.5 % [342]
Number of Days Fish Exposed2
Run Dates
First Day of RunMar 12
5% of Run passedApr 20
10% of Run passedApr 23
50% of Run passedMay 9
90% of Run passedMay 25
95% of Run passedMay 29
Last Day of RunJul 5
Date(s) When Temperature Crosses 15 C
May 18, May 21, May 25, May 27, May 29