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 April 01, 2023
Mean Stage: 7.83 ft  Mean Flow: 1840 cfs
Max Stage: 14.11 ft  Max Flow: 11800 cfs (1913)
Min Stage:  4.30 ft   Min Flow: 202 cfs (1977)

Statistics based on water years: 1898-2021
* 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 HOPW1

For Data Used In Plot   "label