COWLITZ − NEAR KOSMOS (COKW1)
   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 May 08, 2025
Mean Stage: 69.80 ft  Mean Flow: 7480 cfs
Max Stage: 73.23 ft  Max Flow: 14000 cfs (1966)
Min Stage:  66.46 ft   Min Flow: 2590 cfs (2015)

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