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 18, 2024
Mean Stage: 70.52 ft  Mean Flow: 8650 cfs
Max Stage: 78.54 ft  Max Flow: 29200 cfs (2008)
Min Stage:  66.86 ft   Min Flow: 3040 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