LONG TOM − AT MONROE (MNRO3)
   State:  Oregon
   County:  Benton
   Latitude:  44 18' 47" North
   Longitude:  123 17' 43" West
   Elevation:  271 ft

   Supporting NWS Forecast Office: WFO Portland

   
Click for NWS Official River Forecasts for MNRO3

   Action Stage:  
8.5 ft
   Flood Stage:  
9 ft
   Major Flood Stage:  
12 ft
Daily Historical Statistics for March 28, 2024
Mean Stage: 5.38 ft  Mean Flow: 778 cfs
Max Stage: 8.08 ft  Max Flow: 4790 cfs (1962)
Min Stage:  4.39 ft   Min Flow: 100 cfs (1944)

Statistics based on water years: 1922-2023
* statistics estimated based on current rating

Record Stage: 
10.42 ft
Record Flow: 
19300 cfs
Date of Record: 
January 2, 1943

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

Hydrograph plot for MNRO3


For Data Used In Plot   "label


Hydrograph plot for MNRO3


For Data Used In Plot   "label