SF MCKENZIE − COUGAR DAM (CGRO3)
   State:  Oregon
   County:  Lane
   Latitude:  44 8' 9" North
   Longitude:  122 14' 49" West
   Elevation:  1262 ft

   Supporting NWS Forecast Office: WFO Portland
   Click for NWS Official River Forecasts for CGRO3
   
Daily Historical Statistics for May 31, 2026
Mean Stage: 2.24 ft  Mean Flow: 941 cfs
Max Stage: 3.36 ft  Max Flow: 2270 cfs (1956)
Min Stage:  1.15 ft   Min Flow: 256 cfs (1968)

Statistics based on water years: 1948-2025
* 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 CGRO3

Data Used In Plot   "label   ---


Hydrograph plot for CGRO3

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Hydrograph plot for CGRO3


For Data Used In Plot   "label


Hydrograph plot for CGRO3

Data Used In Plot   "label   USACE Observations   USACE Project   USACE Map