Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for Jul 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 DateJul 1, 2024
Total Run Period (Mar 21 - Aug 6)
Temperature Exposure Index14.73 C
Percent of Fish Exposed29.8 %
Number of Days Fish Exposed37
Middle 80% of Run Period (May 15 - Jun 13)
Temperature Exposure Index14.79 C
Percent of Fish Exposed24.9 %
Number of Days Fish Exposed8
Middle 50% of Run Period (May 22 - Jun 7)
Temperature Exposure Index14.65 C
Percent of Fish Exposed12 %
Number of Days Fish Exposed2
Run Dates
First Day of RunMar 21
5% of Run passedMay 9
10% of Run passedMay 15
50% of Run passedMay 30
90% of Run passedJun 13
95% of Run passedJun 18
Last Day of RunAug 6
Date(s) When Temperature Crosses 15 C
Jun 5

1. Total Run Analyzed [99.944] is less than total observed during the period [100]. Only fish observed on days with River Parameter data are analyzed.