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: 2026-01-16
Forecast Period: January 16 to May 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 4.85 510 2026-02-03
90 % 4.87 516 2026-02-13
70 % 5.53 742 2026-03-02
50 % 5.97 912 2026-03-14
30 % 6.88 1312 2026-03-28
10 % 8.16 2066 2026-04-09
05 % 9.02 2761 2026-04-16

Peakflow exceedence plot for MADO3

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