IMNAHA − AT IMNAHA (IMNO3)
   State:  Oregon
   County:  Wallowa
   Latitude:  45 33' 43" North
   Longitude:  116 49' 59" West
   Elevation:  1968 ft

   Supporting NWS Forecast Office: WFO Pendleton

   
Click for NWS Official River Forecasts for IMNO3

   Action Stage:  
5 ft
   Flood Stage:  
5.5 ft
   Moderate Flood Stage:  
7 ft
   Major Flood Stage:  
9 ft
Daily Historical Statistics for April 26, 2024
Mean Stage: 3.62 ft  Mean Flow: 1150 cfs
Max Stage: 5.05 ft  Max Flow: 2670 cfs (1938)
Min Stage:  2.25 ft   Min Flow: 318 cfs (1970)

Statistics based on water years: 1929-2010
* statistics estimated based on current rating

Record Stage: 
11.44 ft
Record Flow: 
20200 cfs
Date of Record: 
January 1, 1997

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

Hydrograph plot for IMNO3


For Data Used In Plot   "label