Peakflow Forecasts Header

MALHEUR--NEAR DREWSEY
   State:  Oregon    County:  HARNEY
   Latitude:  43 47' 4" North    Longitude:  118 19' 50" West
   Elevation:  3479 feet
   Supporting WFO:  Boise    

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.

MALHEUR--NEAR DREWSEY   (MADO3)
Forecasts for Water Year
2026
Ensemble Date: 2026-06-14
Forecast Period: June 14 to October 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 2.09 9 2026-06-14
90 % 2.09 9 2026-06-14
70 % 2.11 10 2026-06-24
50 % 2.32 25 2026-07-13
30 % 2.42 34 2026-08-25
10 % 2.76 73 2026-09-18
05 % 3.09 120 2026-09-27

Peakflow exceedence plot for MADO3

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