GREEN − BELOW HOWARD HANSON DAM (HAHW1)
   State:  Washington
   County:  King
   Latitude:  47 17' 1" North
   Longitude:  121 47' 48" West
   Elevation:  990 ft

   Supporting NWS Forecast Office: WFO Seattle

   
Click for NWS Official River Forecasts for HAHW1
Daily Historical Statistics for June 20, 2024
Mean Stage: 5.53 ft  Mean Flow: 661 cfs
Max Stage: 8.22 ft  Max Flow: 2360 cfs (1964)
Min Stage:  4.15 ft   Min Flow: 218 cfs (1973)

Statistics based on water years: 1961-2023
* statistics estimated based on current rating

The 4-10 Day Trend Forecast is based on model guidance and uncertainty during this period is greater.

Hydrograph plot for HAHW1


For Data Used In Plot   "label