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
ProjectThe Dalles
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 - Sep 10)
Temperature Exposure Index14.78 C
Percent of Fish Exposed35.1 %
Number of Days Fish Exposed44
Middle 80% of Run Period (May 15 - Jun 10)
Temperature Exposure Index14.74 C
Percent of Fish Exposed31.5 %
Number of Days Fish Exposed11
Middle 50% of Run Period (May 20 - Jun 3)
Temperature Exposure Index14.61 C
Percent of Fish Exposed21.3 %
Number of Days Fish Exposed4
Run Dates
First Day of RunFeb 22
5% of Run passedMay 12
10% of Run passedMay 15
50% of Run passedMay 27
90% of Run passedJun 10
95% of Run passedJun 15
Last Day of RunSep 10
Date(s) When Temperature Crosses 15 C
May 31

1. Total Run Analyzed [99.9509999999999] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.