Columbia Basin Performance Measures

Forecasted Juvenile Passage Exposure Results for May 1, 2024

graph

Forecasted Steelhead Snake R Wild Query Parameters
Year2024
ProjectIce Harbor
River ParameterTDG Percent
Critical TDG Percent Value120 %
Calculate ExposureAbove Critical Value
River Parameter Data FillNo
Query Dates1/1 - 12/31
Forecast DateMay 1, 2024
Total Run Period (Mar 21 - Aug 14)
TDG Percent Exposure Index120.76 %
Percent of Fish Exposed73.1 %
Number of Days Fish Exposed53
Middle 80% of Run Period (Apr 28 - May 27)
TDG Percent Exposure Index120.67 %
Percent of Fish Exposed71.1 %
Number of Days Fish Exposed21
Middle 50% of Run Period (May 4 - May 19)
TDG Percent Exposure Index121.48 %
Percent of Fish Exposed81.1 %
Number of Days Fish Exposed13
Run Dates
First Day of RunMar 21
5% of Run passedApr 24
10% of Run passedApr 28
50% of Run passedMay 11
90% of Run passedMay 27
95% of Run passedMay 31
Last Day of RunAug 14
Date(s) When TDG Percent Crosses 120 %
Apr 16, Apr 26, May 7, Jun 19

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.