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: 2026-09-10
 Forecast Period: September 10 to January 1
Exceedence
Probability 		Stage
feet 		Discharge
CFS 		Probable
Date of Peak
95 % 4.14 837 2026-10-18
90 % 4.37 1008 2026-10-25
70 % 4.91 1497 2026-11-14
50 % 5.29 1895 2026-11-26
30 % 5.77 2484 2026-12-10
10 % 6.24 3125 2026-12-20
05 % 6.72 3874 2026-12-25

Peakflow exceedence plot for DRSW1

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