HENRYS FORK − NEAR ISLAND PARK DAM (ISLI1)
   State:  Idaho
   County:  Fremont
   Latitude:  44 24' 0" North
   Longitude:  111 22' 59" West
   Elevation:  6225 ft

   Supporting NWS Forecast Office: WFO Pocatello

   
Click for NWS Official River Forecasts for ISLI1
Daily Historical Statistics for September 22, 2023
Mean Stage: 3.68 ft  Mean Flow: 588 cfs
Max Stage: 5.53 ft  Max Flow: 1950 cfs (1945)
Min Stage:  2.73 ft   Min Flow: 145 cfs (2021)

Statistics based on water years: 1933-2021
* 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 ISLI1


For Data Used In Plot   "label