Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 17, 2024

graph

Forecasted Yearling Chinook Snake R All Spr/Sum Wild Query Parameters
Year2024
ProjectThe Dalles
River ParameterTemperature
Critical Temperature Value15 C
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateMay 17, 2024
Total Run Period (Mar 27 - Dec 19)
Temperature Exposure Index13.45 C
Percent of Fish Exposed10.4 %
Number of Days Fish Exposed48
Middle 80% of Run Period (May 4 - Jun 1)
Temperature Exposure Index13.32 C
Percent of Fish Exposed0.8 %
Number of Days Fish Exposed1
Middle 50% of Run Period (May 9 - May 23)
Temperature Exposure Index13.38 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 27
5% of Run passedMay 2
10% of Run passedMay 4
50% of Run passedMay 16
90% of Run passedJun 1
95% of Run passedJun 9
Last Day of RunDec 19
Date(s) When Temperature Crosses 15 C
Jun 1, Oct 24

1. Total Run Analyzed [99.934] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.