MEDIAN FLOW RATE · 1 YEAR
1,806cfs 17.9% vs avg
Optimal band: 3,409–4,613 cfs
PERIOD HIGH
32,860cfs
PERIOD LOW
1,485cfs
RUNNABLE
29%
last 1 year in band
Precipitation History
Your History · COWLITZ RIVER NEAR KOSMOS, WA
Track your history
Sign in to track your sessions at COWLITZ RIVER NEAR KOSMOS, WA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Station Location
46.4662, -122.1090Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #14233500·USGS
Create a free account to save favorites, set flow alerts, and track conditions