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: 2026-08-16
Forecast Period: August 16 to December 1
Exceedence
Probability
Inflow
CFS
Probable
Date of Peak
95 % 882 2026-09-01
90 % 1332 2026-09-21
70 % 2297 2026-11-04
50 % 3809 2026-11-15
30 % 4394 2026-11-24
10 % 15841 2026-11-28
05 % 19530 2026-11-29

Peakflow exceedence plot for MMRW1

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