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 July 23, 2024
Mean Stage: 66.82 ft  Mean Flow: 2990 cfs
Max Stage: 70.47 ft  Max Flow: 8570 cfs (1971)
Min Stage:  64.61 ft   Min Flow: 1120 cfs (2018)

Statistics based on water years: 1948-2022
* 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 COKW1

For Data Used In Plot   "label