Columbia Basin Performance Measures

PIT Tag Exposure Results

graph

PIT-Tagged Wild Summer Steelhead Query Parameters
Year2024
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 (Apr 3 - Dec 31)
Total Number of Fish Observed301
Percent of Total Run Analyzed [Number Observed]100 % [301]
Temperature Tailrace Exposure Index13.39 C
Percent of Fish Exposed [Number Exposed]16.9 % [51]
Number of Days Fish Exposed11
Middle 80% of Run Period (Apr 24 - Jun 7)
Number of Fish Observed242
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [242]
Temperature Tailrace Exposure Index13.54 C
Percent of Fish Exposed [Number Exposed]13.2 % [32]
Number of Days Fish Exposed3
Middle 50% of Run Period (May 4 - May 25)
Number of Fish Observed153
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [153]
Temperature Tailrace Exposure Index13.88 C
Percent of Fish Exposed [Number Exposed]19.6 % [30]
Number of Days Fish Exposed2
Run Dates
First Day of RunApr 3
5% of Run passedApr 18
10% of Run passedApr 24
50% of Run passedMay 18
90% of Run passedJun 7
95% of Run passedJun 10
Last Day of RunDec 31
Date(s) When Temperature Tailrace Crosses 15 C
May 20, May 22, Jun 7, Jun 9, Jun 10, Jun 12, Jun 14, Oct 30