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: 2026-06-05
Forecast Period: June 5 to October 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 112.15 1293 2026-06-11
90 % 112.15 1293 2026-06-11
70 % 112.19 1345 2026-06-17
50 % 112.49 1711 2026-06-30
30 % 112.72 2006 2026-07-30
10 % 113.89 3542 2026-09-14
05 % 114.28 4065 2026-09-23

Peakflow exceedence plot for WRAW1

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