CEDAR − AT RENTON (RNTW1)
   State:  Washington
   County:  King
   Latitude:  47 28' 58" North
   Longitude:  122 12' 7" West
   Elevation:  15 ft

   Supporting NWS Forecast Office: WFO Seattle

   
Click for NWS Official River Forecasts for RNTW1
   


   Action Stage:  
10.4 ft
   Flood Stage:  
13 ft
   Moderate Flood Stage:  
14.5 ft
   Major Flood Stage:  
16 ft
Daily Historical Statistics for July 21, 2026
Mean Stage: 8.38 ft  Mean Flow: 251 cfs
Max Stage: 9.46 ft  Max Flow: 768 cfs (1949)
Min Stage:  7.62 ft   Min Flow: 41 cfs (1958)

Statistics based on water years: 1946-2025
* statistics estimated based on current rating

Record Stage: 
17.13 ft
Date of Record: 
November 24, 1990

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

Hydrograph plot for RNTW1

Data Used In Plot   "label   USGS Observations   


Hydrograph plot for RNTW1

Data Used In Plot   "label   USGS Observations