Columbia Basin Performance Measures

Forecasted Adult Passage Exposure Results for May 1, 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 1, 2024
Total Run Period (Mar 17 - Jun 17)
Temperature Exposure Index13.16 C
Percent of Fish Exposed19.9 %
Number of Days Fish Exposed19
Middle 80% of Run Period (Apr 25 - Jun 9)
Temperature Exposure Index13.11 C
Percent of Fish Exposed13.4 %
Number of Days Fish Exposed11
Middle 50% of Run Period (Apr 30 - May 24)
Temperature Exposure Index12.85 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 17
5% of Run passedApr 22
10% of Run passedApr 25
50% of Run passedMay 8
90% of Run passedJun 9
95% of Run passedJun 13
Last Day of RunJun 17
Date(s) When Temperature Crosses 15 C
May 30

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.