Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 1, 2024

graph

Forecasted Steelhead Snake R 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 1, 2024
Total Run Period (Mar 21 - Aug 19)
Temperature Exposure Index13.82 C
Percent of Fish Exposed16.8 %
Number of Days Fish Exposed40
Middle 80% of Run Period (May 7 - Jun 2)
Temperature Exposure Index13.76 C
Percent of Fish Exposed9 %
Number of Days Fish Exposed4
Middle 50% of Run Period (May 13 - May 26)
Temperature Exposure Index13.66 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedMay 3
10% of Run passedMay 7
50% of Run passedMay 19
90% of Run passedJun 2
95% of Run passedJun 6
Last Day of RunAug 19
Date(s) When Temperature Crosses 15 C
May 30

1. Total Run Analyzed [99.951] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.