Columbia Basin Performance Measures

Adult Passage Exposure Results


Adult Steelhead Query Parameters
ProjectLower Granite
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Mar 1 - Dec 31)
Total Number of Fish Observed76798
Percent of Total Run Analyzed [Number Observed]10.15 % [7797]1
Temperature Exposure Index10.41 C
Percent of Fish Exposed [Number Exposed]20.9 % [1630]
Number of Days Fish Exposed76
Middle 80% of Run Period (Aug 8 - Oct 24)
Number of Fish Observed61651
Percent of Middle 80% of Run Analyzed [Number Observed]2.05 % [1264]
Temperature Exposure Index20.23 C
Percent of Fish Exposed [Number Exposed]100 % [1264]
Number of Days Fish Exposed36
Middle 50% of Run Period (Sep 26 - Oct 11)
Number of Fish Observed41451
Percent of Middle 50% of Run Analyzed [Number Observed]0 % [0]
Temperature Exposure IndexN/A C
Percent of Fish Exposed [Number Exposed]0 % [N/A]
Number of Days Fish ExposedN/A
Run Dates
First Day of RunMar 1
5% of Run passedMar 25
10% of Run passedAug 8
50% of Run passedOct 3
90% of Run passedOct 24
95% of Run passedNov 3
Last Day of RunDec 31
Date(s) When Temperature Crosses 15 C
Jun 19

1. Total Run Analyzed [7797] is less than total observed during the period [76798]. Only fish observed on days with River Parameter data are analyzed.