Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 17, 2024

graph

Forecasted Steelhead Snake R Wild Query Parameters
Year2024
ProjectJohn Day
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 21 - Aug 18)
Temperature Exposure Index13.65 C
Percent of Fish Exposed8.1 %
Number of Days Fish Exposed39
Middle 80% of Run Period (May 6 - May 30)
Temperature Exposure Index13.67 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Middle 50% of Run Period (May 13 - May 23)
Temperature Exposure Index13.92 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedMay 2
10% of Run passedMay 6
50% of Run passedMay 18
90% of Run passedMay 30
95% of Run passedJun 4
Last Day of RunAug 18
Date(s) When Temperature Crosses 15 C
Jun 1

1. Total Run Analyzed [99.95] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.