LONG TOM − FERN RIDGE DAM (FRNO3)
   State:  Oregon
   County:  Lane
   Latitude:  44 7' 24" North
   Longitude:  123 17' 54" West
   Elevation:  374 ft

   Supporting NWS Forecast Office: WFO Portland
   Click for NWS Official River Forecasts for FRNO3
Daily Historical Statistics for January 01, 2026
Mean Flow: 1500 cfs
Max Flow: 10800 cfs (1943)
Min Flow: 30 cfs (1990)

Statistics based on water years: 1940-2025
* 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 FRNO3


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Hydrograph plot for FRNO3


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Hydrograph plot for FRNO3


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Hydrograph plot for FRNO3


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