WILLAMETTE − AT CORVALLIS (CORO3)
   State:  Oregon
   County:  Benton
   Latitude:  44 33' 59" North
   Longitude:  123 15' 24" West
   Elevation:  192 ft

   Supporting NWS Forecast Office: WFO Portland

   
Click for NWS Official River Forecasts for CORO3

   Action Stage:  
26 ft
   Flood Stage:  
30 ft
   Moderate Flood Stage:  
33 ft
   Major Flood Stage:  
36 ft
Daily Historical Statistics for January 31, 2023
Mean Stage: 16.74 ft  Mean Flow: 21100 cfs
Max Stage: 23.82 ft  Max Flow: 47300 cfs (2020)
Min Stage:  12.61 ft   Min Flow: 9840 cfs (2022)

Statistics based on water years: 2010-2022
* statistics estimated based on current rating

Record Stage: 
42.4 ft
Date of Record: 
December 1, 1861

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

Hydrograph plot for CORO3


For Data Used In Plot   "label