Columbia Basin Performance Measures

PIT Tag Exposure Results

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PIT-Tagged Wild Summer Steelhead Query Parameters
Year2017
ProjectBonneville
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 29 - Jul 21)
Total Number of Fish Observed2587
Percent of Total Run Analyzed [Number Observed]100 % [2587]
Temperature Exposure Index12.66 C
Percent of Fish Exposed [Number Exposed]9 % [233]
Number of Days Fish Exposed18
Middle 80% of Run Period (Apr 29 - Jun 3)
Number of Fish Observed2091
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [2091]
Temperature Exposure Index12.66 C
Percent of Fish Exposed [Number Exposed]4.3 % [92]
Number of Days Fish Exposed2
Middle 50% of Run Period (May 5 - May 27)
Number of Fish Observed1359
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [1359]
Temperature Exposure Index12.57 C
Percent of Fish Exposed [Number Exposed]0 % [0]
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 29
5% of Run passedApr 23
10% of Run passedApr 29
50% of Run passedMay 16
90% of Run passedJun 3
95% of Run passedJun 10
Last Day of RunJul 21
Date(s) When Temperature Crosses 15 C
Jun 2, Jun 4, Jun 7, Jun 9, Jun 16