State:  Washington
   County:  Whitman
   Latitude:  46 46' 0" North
   Longitude:  118 9' 0" West
   Elevation:  1041 ft

   Supporting NWS Forecast Office: WFO Spokane

Click for NWS Official River Forecasts for HOPW1
Daily Historical Statistics for February 25, 2024
Mean Stage: 7.56 ft  Mean Flow: 1650 cfs
Max Stage: 13.36 ft  Max Flow: 9730 cfs (1999)
Min Stage:  4.11 ft   Min Flow: 163 cfs (1994)

Statistics based on water years: 1898-2022
* 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 HOPW1

For Data Used In Plot   "label