Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult 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 (Jan 1 - Oct 31)
Total Number of Fish Observed105565
Percent of Total Run Analyzed [Number Observed]100 % [105565]
Temperature Tailrace Exposure Index19.22 C
Percent of Fish Exposed [Number Exposed]98.7 % [104262]
Number of Days Fish Exposed141
Middle 80% of Run Period (Aug 31 - Oct 13)
Number of Fish Observed84866
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [84866]
Temperature Tailrace Exposure Index19.44 C
Percent of Fish Exposed [Number Exposed]100 % [84866]
Number of Days Fish Exposed44
Middle 50% of Run Period (Sep 11 - Oct 1)
Number of Fish Observed52966
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [52966]
Temperature Tailrace Exposure Index19.53 C
Percent of Fish Exposed [Number Exposed]100 % [52966]
Number of Days Fish Exposed21
Run Dates
First Day of RunJan 1
5% of Run passedAug 6
10% of Run passedAug 31
50% of Run passedSep 22
90% of Run passedOct 13
95% of Run passedOct 20
Last Day of RunOct 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