MF SNOQUALMIE − NEAR TANNER (TANW1)
   State:  Washington
   County:  King
   Latitude:  47 29' 0" North
   Longitude:  121 39' 0" West
   Elevation:  780 ft

   Supporting NWS Forecast Office: WFO Seattle

   
Click for NWS Official River Forecasts for TANW1
Daily Historical Statistics for December 27, 2025
Mean Stage: 3.98 ft  Mean Flow: 1350 cfs
Max Stage: 8.50 ft  Max Flow: 7520 cfs (1981)
Min Stage:  1.86 ft   Min Flow: 306 cfs (1994)

Statistics based on water years: 1962-2025
* 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 TANW1


For Data Used In Plot   "label