Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2021
ProjectLittle Goose
River ParameterTemperature Tailrace
Critical Temperature Tailrace 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 Observed41646
Percent of Total Run Analyzed [Number Observed]100 % [41646]
Temperature Tailrace Exposure Index16.97 C
Percent of Fish Exposed [Number Exposed]86 % [35847]
Number of Days Fish Exposed134
Middle 80% of Run Period (Sep 6 - Oct 25)
Number of Fish Observed33539
Percent of Middle 80% of Run Analyzed [Number Observed]100 % [33539]
Temperature Tailrace Exposure Index17.93 C
Percent of Fish Exposed [Number Exposed]100 % [33539]
Number of Days Fish Exposed50
Middle 50% of Run Period (Sep 16 - Oct 9)
Number of Fish Observed21617
Percent of Middle 50% of Run Analyzed [Number Observed]100 % [21617]
Temperature Tailrace Exposure Index18.17 C
Percent of Fish Exposed [Number Exposed]100 % [21617]
Number of Days Fish Exposed24
Run Dates
First Day of RunMar 1
5% of Run passedJul 2
10% of Run passedSep 6
50% of Run passedSep 28
90% of Run passedOct 25
95% of Run passedNov 4
Last Day of RunDec 31
Date(s) When Temperature Tailrace Crosses 15 C
Jun 6, Oct 27