Cowlitz River


4 Streamgauges
Max Discharge: 3,700 cfs Deepest Point: 33.14ft

Maximum discharge along the river was observed at the Cowlitz River At Castle Rock with a streamflow rate of 3,700 cfs. This is also the deepest point on the Cowlitz River, with a gauge stage of 33.14 ft. This river is monitored from 4 different streamgauging stations along the Cowlitz River, the highest being perched at an elevation of 1,053 ft, the Cowlitz River At Packwood.


River Levels

Location Streamflow River Stage Air Temp Elevation
Cowlitz River At Packwood
USGS 14226500
328 cfs 0.39 ft
Cowlitz River At Randle
USGS 14231000
493 cfs 3.64 ft
Cowlitz River Below Mayfield Dam
USGS 14238000
3620 cfs 10.58 ft
Cowlitz River At Castle Rock
USGS 14243000
3700 cfs 33.14 ft
Location 24hr Change (%) vs Average (%) Volatility (%) Minimum (cfs) Maximum (cfs)
Cowlitz River At Packwood
USGS 14226500
-16.75
Cowlitz River Below Mayfield Dam
USGS 14238000
4.02
Cowlitz River At Castle Rock
USGS 14243000
0.54


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