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 May 18, 2024
Mean Stage: 3.99 ft  Mean Flow: 1030 cfs
Max Stage: 6.26 ft  Max Flow: 2770 cfs (1995)
Min Stage:  2.41 ft   Min Flow: 165 cfs (2004)

Statistics based on water years: 1933-2023
* 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 ISLI1


For Data Used In Plot   "label