Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2022
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 1 - Oct 31)
Total Number of Fish Observed69204
Percent of Total Run Analyzed [Number Observed]100 % [69204]
Temperature Tailrace Exposure Index19.5 C
Percent of Fish Exposed [Number Exposed]99.5 % [68887]
Number of Days Fish Exposed128
Middle 80% of Run Period (Aug 2 - Oct 17)
Number of Fish Observed55579
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [55579]
Temperature Tailrace Exposure Index19.79 C
Percent of Fish Exposed [Number Exposed]100 % [55579]
Number of Days Fish Exposed77
Middle 50% of Run Period (Sep 14 - Oct 5)
Number of Fish Observed35137
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [35137]
Temperature Tailrace Exposure Index19.63 C
Percent of Fish Exposed [Number Exposed]100 % [35137]
Number of Days Fish Exposed22
Run Dates
First Day of RunApr 1
5% of Run passedJul 20
10% of Run passedAug 2
50% of Run passedSep 27
90% of Run passedOct 17
95% of Run passedOct 24
Last Day of RunOct 31
Date(s) When Temperature Tailrace Crosses 15 C
Jun 26