State:  Washington
   County:  Lewis
   Latitude:  46 27' 58" North
   Longitude:  122 7' 5" West
   Elevation:  780 ft

   Supporting NWS Forecast Office: WFO Seattle

Click for NWS Official River Forecasts for COKW1
Daily Historical Statistics for September 22, 2023
Mean Stage: 65.12 ft  Mean Flow: 1440 cfs
Max Stage: 69.31 ft  Max Flow: 6730 cfs (1972)
Min Stage:  63.95 ft   Min Flow: 781 cfs (2009)

Statistics based on water years: 1948-2021
* 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 COKW1

For Data Used In Plot   "label