Peakflow Forecasts Header

WHITE--AT R STREET
   State:  Washington    County:  KING
   Latitude:  47 16' 29" North    Longitude:  122 12' 23" West
   Elevation:  115 feet
   Supporting WFO:  Seattle    

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.

WHITE--AT R STREET   (WRAW1)
Forecasts for Water Year
2027
Ensemble Date: 2026-10-10
Forecast Period: October 10 to February 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 112.93 2183 2026-11-23
90 % 113.31 2685 2026-11-27
70 % 114.52 4347 2026-12-25
50 % 115.82 7105 2027-01-04
30 % 116.27 8871 2027-01-13
10 % 117.99 15538 2027-01-27
05 % 119.40 21205 2027-01-30

Peakflow exceedence plot for WRAW1

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