Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2019
ProjectLower Monumental
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 1 - Dec 31)
Total Number of Fish Observed35131
Percent of Total Run Analyzed [Number Observed]11.36 % [3991]1
Temperature Exposure Index17.47 C
Percent of Fish Exposed [Number Exposed]74 % [2956]
Number of Days Fish Exposed82
Middle 80% of Run Period (Aug 29 - Oct 26)
Number of Fish Observed28150
Percent of Middle 80% of Run Analyzed [Number Observed]1.71 % [482]
Temperature Exposure Index20.95 C
Percent of Fish Exposed [Number Exposed]100 % [482]
Number of Days Fish Exposed8
Middle 50% of Run Period (Sep 22 - Oct 14)
Number of Fish Observed18170
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 RunApr 1
5% of Run passedJul 19
10% of Run passedAug 29
50% of Run passedOct 1
90% of Run passedOct 26
95% of Run passedNov 1
Last Day of RunDec 31
Date(s) When Temperature Crosses 15 C
Jun 5, Jun 6, Jun 10

1. Total Run Analyzed [3991] is less than total observed during the period [35131]. Only fish observed on days with River Parameter data are analyzed.