Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 17, 2024

graph

All Adult Chinook mouth to Snake River 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 17 - Jun 17)
Temperature Exposure Index13.11 C
Percent of Fish Exposed18.1 %
Number of Days Fish Exposed17
Middle 80% of Run Period (Apr 28 - Jun 9)
Temperature Exposure Index13.02 C
Percent of Fish Exposed11.2 %
Number of Days Fish Exposed9
Middle 50% of Run Period (May 5 - May 24)
Temperature Exposure Index12.7 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 17
5% of Run passedApr 24
10% of Run passedApr 28
50% of Run passedMay 11
90% of Run passedJun 9
95% of Run passedJun 13
Last Day of RunJun 17
Date(s) When Temperature Crosses 15 C
Jun 1

1. Total Run Analyzed [99.954] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.