MCKENZIE − BELOW TRAIL BRIDGE DAM (TRBO3)
   State:  Oregon
   County:  Linn
   Latitude:  44 16' 5" North
   Longitude:  122 2' 54" West
   Elevation:  1980 ft

   Supporting NWS Forecast Office: WFO Portland

   
Click for NWS Official River Forecasts for TRBO3
   

Daily Historical Statistics for March 15, 2026
Mean Stage: 6.90 ft  Mean Flow: 1150 cfs
Max Stage: 8.13 ft  Max Flow: 2460 cfs (1972)
Min Stage:  6.33 ft   Min Flow: 691 cfs (2005)

Statistics based on water years: 1960-2024
* 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 TRBO3

Data Used In Plot   "label   USGS Observations   


Hydrograph plot for TRBO3

Data Used In Plot   "label   USGS Observations