State:  Oregon
   County:  Linn
   Latitude:  44 42' 43" North
   Longitude:  122 46' 5" West
   Elevation:  380 ft   Gage Datum:  

   Supporting NWS Forecast Office: WFO Portland

Click for NWS Official River Forecasts for TRSO3

   Action Stage:  
15.5 ft
   Flood Stage:  
18 ft
   Major Flood Stage:  
20 ft
Daily Historical Statistics for September 22, 2023
Mean Stage: 4.39 ft  Mean Flow: 56 cfs
Max Stage: 6.02 ft  Max Flow: 407 cfs (1968)
Min Stage:  3.70 ft   Min Flow: 9 cfs (2020)

Statistics based on water years: 1963-2021
* statistics estimated based on current rating

Record Stage: 
20.08 ft

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

Hydrograph plot for TRSO3

For Data Used In Plot   "label