Columbia Basin Performance Measures

Adult Passage Exposure Results


Adult Steelhead Query Parameters
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 Observed82472
Percent of Total Run Analyzed [Number Observed]16.33 % [13470]1
Temperature Exposure Index19.23 C
Percent of Fish Exposed [Number Exposed]87.4 % [11786]
Number of Days Fish Exposed90
Middle 80% of Run Period (Sep 4 - Oct 14)
Number of Fish Observed66234
Percent of Middle 80% of Run Analyzed [Number Observed]9.28 % [6150]
Temperature Exposure Index20.93 C
Percent of Fish Exposed [Number Exposed]100 % [6150]
Number of Days Fish Exposed12
Middle 50% of Run Period (Sep 19 - Oct 2)
Number of Fish Observed42280
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 passedJul 28
10% of Run passedSep 4
50% of Run passedSep 26
90% of Run passedOct 14
95% of Run passedOct 24
Last Day of RunDec 31
Date(s) When Temperature Crosses 15 C
Jun 18

1. Total Run Analyzed [13470] is less than total observed during the period [82472]. Only fish observed on days with River Parameter data are analyzed.