River Information and Forecasts Header
GREEN--BELOW HOWARD HANSON DAM (HAHW1)
   State:  Washington    County:  KING
   Latitude:  47 17' 1" North    Longitude:  121 47' 48" West
   Elevation:  990 feet
   Supporting WFO:  Seattle    NWS Official River Forecasts Click Here


   Record Stage:  
N/A
Daily Historical Flow Statistics
for August 10

Mean Stage: 4.38 ft  Mean Flow: 273 cfs
Max Stage: 5.25 ft  Max Flow: 549 cfs (1976)
Min Stage:  3.86 ft   Min Flow: 157 cfs (1961)

Statistics based on water years: 1961-2019
The 4-10 Day Trend Forecast is based on model guidance only. Daily variation and uncertainty of forecasts during this period is high.

Hydrograph plot for HAHW1

For Data Used In Plot   "label