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
2025
Ensemble Date: 2025-07-08
Forecast Period: July 8 to November 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 111.50 1030 2025-07-24
90 % 111.56 1086 2025-07-25
70 % 111.96 1506 2025-08-21
50 % 112.29 1954 2025-10-11
30 % 112.82 2770 2025-10-23
10 % 113.64 4240 2025-10-30
05 % 114.51 6074 2025-11-01

Peakflow exceedence plot for WRAW1

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