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
2026
Ensemble Date: 2025-12-06
Forecast Period: December 6 to April 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 115.00 7221 2025-12-12
90 % 115.00 7221 2025-12-12
70 % 115.00 7221 2025-12-12
50 % 115.00 7221 2025-12-12
30 % 115.03 7296 2026-01-03
10 % 115.66 8890 2026-02-04
05 % 115.91 9552 2026-02-14

Peakflow exceedence plot for WRAW1

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