Columbia Basin Performance Measures

Adult Passage Exposure Results

graph

Adult Steelhead Query Parameters
Year2016
ProjectJohn Day
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Total Run Period (Apr 1 - Oct 31)
Total Number of Fish Observed130626
Percent of Total Run Analyzed [Number Observed]39.71 % [51878]1
Temperature Exposure Index20.5 C
Percent of Fish Exposed [Number Exposed]99.2 % [51496]
Number of Days Fish Exposed108
Middle 80% of Run Period (Jul 31 - Oct 9)
Number of Fish Observed105482
Percent of Middle 80% of Run Analyzed [Number Observed]36.9 % [38923]
Temperature Exposure Index20.78 C
Percent of Fish Exposed [Number Exposed]100 % [38923]
Number of Days Fish Exposed47
Middle 50% of Run Period (Sep 9 - Sep 29)
Number of Fish Observed68226
Percent of Middle 50% of Run Analyzed [Number Observed]30.52 % [20826]
Temperature Exposure Index20.25 C
Percent of Fish Exposed [Number Exposed]100 % [20826]
Number of Days Fish Exposed7
Run Dates
First Day of RunApr 1
5% of Run passedJul 12
10% of Run passedJul 31
50% of Run passedSep 19
90% of Run passedOct 9
95% of Run passedOct 14
Last Day of RunOct 31
Date(s) When Temperature Crosses 15 C
May 30

1. Total Run Analyzed [51878] is less than total observed during the period [130626]. Only fish observed on days with River Parameter data are analyzed.