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
ProjectBonneville
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 - Aug 24)
Temperature Exposure Index14.81 C
Percent of Fish Exposed39.1 %
Number of Days Fish Exposed40
Middle 80% of Run Period (May 16 - Jun 11)
Temperature Exposure Index14.78 C
Percent of Fish Exposed36.5 %
Number of Days Fish Exposed12
Middle 50% of Run Period (May 22 - Jun 4)
Temperature Exposure Index14.79 C
Percent of Fish Exposed30.6 %
Number of Days Fish Exposed5
Run Dates
First Day of RunFeb 22
5% of Run passedMay 13
10% of Run passedMay 16
50% of Run passedMay 28
90% of Run passedJun 11
95% of Run passedJun 15
Last Day of RunAug 24
Date(s) When Temperature Crosses 15 C
May 31

1. Total Run Analyzed [99.952] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.