KOOTENAI − AT PORTHILL (PORI1)
   State:  Idaho
   County:  Boundary
   Latitude:  48 59' 46" North
   Longitude:  116 30' 22" West
   Elevation:  0 ft

   Supporting NWS Forecast Office: WFO Spokane
   Click for NWS Official River Forecasts for PORI1
Daily Historical Statistics for April 26, 2025
Mean Flow: 20800 cfs
Max Flow: 38000 cfs (2017)
Min Flow: 9440 cfs (2022)

Statistics based on water years: 2014-2023
* 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 PORI1


For Data Used In Plot   "label


Hydrograph plot for PORI1


For Data Used In Plot   "label