Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Aug 19, 2021

graph

Forecasted Yearling Chinook Snake R All Spr/Sum Wild Query Parameters
Year2021
ProjectJohn Day
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateAug 19, 2021
Total Run Period (Feb 22 - Oct 5)
Temperature Exposure Index14.47 C
Percent of Fish Exposed30.3 %
Number of Days Fish Exposed52
Middle 80% of Run Period (May 14 - Jun 10)
Temperature Exposure Index14.4 C
Percent of Fish Exposed25.8 %
Number of Days Fish Exposed10
Middle 50% of Run Period (May 19 - Jun 2)
Temperature Exposure Index14.19 C
Percent of Fish Exposed10.3 %
Number of Days Fish Exposed2
Run Dates
First Day of RunFeb 22
5% of Run passedMay 11
10% of Run passedMay 14
50% of Run passedMay 26
90% of Run passedJun 10
95% of Run passedJun 16
Last Day of RunOct 5
Date(s) When Temperature Crosses 15 C
Jun 1

1. Total Run Analyzed [99.946] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.