Peakflow Forecasts Header

WYNOOCHEE--WYNOOCHEE DAM
   State:  Washington    County:  GRAYS HARBOR
   Latitude:  47 23' 7" North    Longitude:  123 36' 19" West
   Elevation:  810 feet
   Supporting WFO:  Seattle    
   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.

WYNOOCHEE--WYNOOCHEE DAM   (WYDW1)
Forecasts for Water Year
2024
Ensemble Date: 2024-04-25
Forecast Period: April 25 to August 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 669 2024-04-26
90 % 669 2024-04-26
70 % 669 2024-04-26
50 % 729 2024-05-16
30 % 947 2024-06-05
10 % 2159 2024-06-30
05 % 2689 2024-07-12

Peakflow exceedence plot for WYDW1

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