SF SNOQUALMIE − NEAR GARCIA (GARW1)
   State:  Washington
   County:  King
   Latitude:  47 25' 0" North
   Longitude:  121 35' 0" West
   Elevation:  1448 ft

   Supporting NWS Forecast Office: WFO Seattle

   
Click for NWS Official River Forecasts for GARW1
   

Daily Historical Statistics for August 18, 2026
Mean Stage: 9.68 ft  Mean Flow: 59 cfs
Max Stage: 10.29 ft  Max Flow: 192 cfs (1980)
Min Stage:  9.34 ft   Min Flow: 20 cfs (2004)

Statistics based on water years: 1961-2024
* 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 GARW1

Data Used In Plot   "label   USGS Observations