Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 20, 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 DateJul 20, 2024
Total Run Period (Mar 21 - Aug 8)
Temperature Exposure Index14.41 C
Percent of Fish Exposed20.9 %
Number of Days Fish Exposed33
Middle 80% of Run Period (May 14 - Jun 13)
Temperature Exposure Index14.5 C
Percent of Fish Exposed15.1 %
Number of Days Fish Exposed6
Middle 50% of Run Period (May 21 - Jun 6)
Temperature Exposure Index14.32 C
Percent of Fish Exposed0 %
Number of Days Fish Exposed0
Run Dates
First Day of RunMar 21
5% of Run passedMay 8
10% of Run passedMay 14
50% of Run passedMay 29
90% of Run passedJun 13
95% of Run passedJun 17
Last Day of RunAug 8
Date(s) When Temperature Crosses 15 C
Jun 8

1. Total Run Analyzed [99.958] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.