Peakflow Forecasts Header

WHITE--AT MUD MOUNTAIN DAM
   State:  Washington    County:  KING
   Latitude:  47 8' 27" North    Longitude:  121 55' 48" West
   Elevation:  1330 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.

WHITE--AT MUD MOUNTAIN DAM   (MMRW1)
Forecasts for Water Year
2026
Ensemble Date: 2026-05-07
Forecast Period: May 7 to September 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 1680 2026-05-14
90 % 1680 2026-05-14
70 % 1874 2026-05-22
50 % 2183 2026-06-02
30 % 2817 2026-06-13
10 % 3884 2026-08-04
05 % 4092 2026-08-16

Peakflow exceedence plot for MMRW1

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