NF JOHN DAY − AT MONUMENT (MONO3)
   State:  Oregon
   County:  Grant
   Latitude:  44 48' 54" North
   Longitude:  119 25' 50" West
   Elevation:  1960 ft

   Supporting NWS Forecast Office: WFO Pendleton

   
Click for NWS Official River Forecasts for MONO3

   Action Stage:  
12 ft
   Flood Stage:  
14 ft
Daily Historical Statistics for March 28, 2023
Mean Stage: 6.36 ft  Mean Flow: 3020 cfs
Max Stage: 10.43 ft  Max Flow: 10500 cfs (1943)
Min Stage:  3.49 ft   Min Flow: 462 cfs (1977)

Statistics based on water years: 1929-2022
* statistics estimated based on current rating

Record Stage: 
18.45 ft
Record Flow: 
33400 cfs
Date of Record: 
January 30, 1965

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

Hydrograph plot for MONO3


For Data Used In Plot   "label