Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2016
ProjectIce Harbor
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 1 - Oct 31)
Total Number of Fish Observed94473
Percent of Total Run Analyzed [Number Observed]100 % [94473]
Temperature Exposure Index18.2 C
Percent of Fish Exposed [Number Exposed]92.7 % [87641]
Number of Days Fish Exposed136
Middle 80% of Run Period (Aug 23 - Oct 14)
Number of Fish Observed75621
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [75621]
Temperature Exposure Index18.43 C
Percent of Fish Exposed [Number Exposed]100 % [75621]
Number of Days Fish Exposed53
Middle 50% of Run Period (Sep 15 - Oct 5)
Number of Fish Observed50832
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [50832]
Temperature Exposure Index18.34 C
Percent of Fish Exposed [Number Exposed]100 % [50832]
Number of Days Fish Exposed21
Run Dates
First Day of RunApr 1
5% of Run passedJul 20
10% of Run passedAug 23
50% of Run passedSep 25
90% of Run passedOct 14
95% of Run passedOct 20
Last Day of RunOct 31
Date(s) When Temperature Crosses 15 C
Jun 5, Oct 30