Peakflow Forecasts Header

DUNGENESS--NEAR SEQUIM
   State:  Washington    County:  CLALLAM
   Latitude:  48 0' 52" North    Longitude:  123 7' 53" West
   Elevation:  569 feet
   Supporting WFO:  Seattle    
   Action Stage:  5.9'   Flood Stage:  7'   Moderate Flood Stage:  7.5'
   Major Flood Stage:  8'

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.

DUNGENESS--NEAR SEQUIM   (DRSW1)
Forecasts for Water Year 2026
Ensemble Date: 2026-06-05
 Forecast Period: June 5 to October 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 3.07 272 2026-06-10
90 % 3.07 272 2026-06-10
70 % 3.07 272 2026-06-10
50 % 3.26 338 2026-06-24
30 % 3.50 434 2026-07-03
10 % 3.71 549 2026-09-26
05 % 3.91 669 2026-09-29

Peakflow exceedence plot for DRSW1

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