Peakflow Forecasts Header

OWYHEE--OWYHEE DAM
   State:  Oregon    County:  MALHEUR
   Latitude:  43 38' 57" North    Longitude:  117 14' 48" West
   Elevation:  2400 feet
   Supporting WFO:  Boise    
   Inflow Data  

Forecasts are calculated from a forecast time series that approximates flow at a 6 hour time step interval. Observed instantaneous peaks can be higher than model forecast peaks.

OWYHEE--OWYHEE DAM   (OWYO3)
Forecasts for Water Year
2027
Ensemble Date: 2026-10-09
Forecast Period: October 9 to February 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 491 2026-10-13
90 % 491 2026-10-13
70 % 566 2026-11-02
50 % 768 2027-01-01
30 % 2839 2027-01-20
10 % 5582 2027-01-27
05 % 10471 2027-01-31

Peakflow exceedence plot for OWYO3

 Click to download runoff traces used in forecast.  Click for comma delimited data used in plot.csv icon