State:  Idaho
   County:  Bannock
   Latitude:  42 37' 30" North
   Longitude:  112 5' 16" West
   Elevation:  4918 ft

   Supporting NWS Forecast Office: WFO Pocatello

Click for NWS Official River Forecasts for TOPI1

   Action Stage:  
3.5 ft
   Flood Stage:  
4 ft
Daily Historical Statistics for September 22, 2023
Mean Stage: 2.43 ft  Mean Flow: 128 cfs
Max Stage: 3.34 ft  Max Flow: 364 cfs (1986)
Min Stage:  1.85 ft   Min Flow: 46 cfs (2003)

Statistics based on water years: 1913-2021
* statistics estimated based on current rating

Record Stage: 
6 ft

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

Hydrograph plot for TOPI1

For Data Used In Plot   "label