Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 1, 2024

graph

Forecasted Steelhead Snake R Wild Query Parameters
Year2024
ProjectMcNary
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 16)
Temperature Exposure Index12.81 C
Percent of Fish Exposed4.9 %
Number of Days Fish Exposed34
Middle 80% of Run Period (May 1 - May 29)
Temperature Exposure Index12.74 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Middle 50% of Run Period (May 7 - May 22)
Temperature Exposure Index12.76 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedApr 27
10% of Run passedMay 1
50% of Run passedMay 14
90% of Run passedMay 29
95% of Run passedJun 3
Last Day of RunAug 16
Date(s) When Temperature Crosses 15 C
Jun 3

1. Total Run Analyzed [99.945] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.