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Hydrograph River at a Glance Download
Cowlitz River near Kosmos Stage (ft)Flow (cfs)Observed: 14.32 ft at 3:30PM Aug 16, 2020Observed: 14.32 ft at 3:45PM Aug 16, 2020Observed: 14.31 ft at 4:00PM Aug 16, 2020Observed: 14.32 ft at 4:15PM Aug 16, 2020Observed: 14.31 ft at 4:30PM Aug 16, 2020Observed: 14.31 ft at 4:45PM Aug 16, 2020Observed: 14.3 ft at 5:00PM Aug 16, 2020Observed: 14.3 ft at 5:15PM Aug 16, 2020Observed: 14.32 ft at 5:30PM Aug 16, 2020Observed: 14.31 ft at 5:45PM Aug 16, 2020Observed: 14.32 ft at 6:00PM Aug 16, 2020Observed: 14.33 ft at 6:15PM Aug 16, 2020Observed: 14.33 ft at 6:30PM Aug 16, 2020Observed: 14.33 ft at 6:45PM Aug 16, 2020Observed: 14.32 ft at 7:00PM Aug 16, 2020Observed: 14.34 ft at 7:15PM Aug 16, 2020Observed: 14.33 ft at 7:30PM Aug 16, 2020Observed: 14.34 ft at 7:45PM Aug 16, 2020Observed: 14.34 ft at 8:00PM Aug 16, 2020Observed: 14.34 ft at 8:15PM Aug 16, 2020Observed: 14.35 ft at 8:30PM Aug 16, 2020Observed: 14.36 ft at 8:45PM Aug 16, 2020Observed: 14.35 ft at 9:00PM Aug 16, 2020Observed: 14.37 ft at 9:15PM Aug 16, 2020Observed: 14.35 ft at 9:30PM Aug 16, 2020Observed: 14.37 ft at 9:45PM Aug 16, 2020Observed: 14.36 ft at 10:00PM Aug 16, 2020Observed: 14.39 ft at 10:15PM Aug 16, 2020Observed: 14.37 ft at 10:30PM Aug 16, 2020Observed: 14.38 ft at 10:45PM Aug 16, 2020Observed: 14.38 ft at 11:00PM Aug 16, 2020Observed: 14.4 ft at 11:15PM Aug 16, 2020Observed: 14.4 ft at 11:30PM Aug 16, 2020Observed: 14.4 ft at 11:45PM Aug 16, 2020Observed: 14.39 ft at 12:00AM Aug 17, 2020Observed: 14.38 ft at 12:15AM Aug 17, 2020Observed: 14.4 ft at 12:30AM Aug 17, 2020Observed: 14.4 ft at 12:45AM Aug 17, 2020Observed: 14.4 ft at 1:00AM Aug 17, 2020Observed: 14.4 ft at 1:15AM Aug 17, 2020Observed: 14.39 ft at 1:30AM Aug 17, 2020Observed: 14.38 ft at 1:45AM Aug 17, 2020Observed: 14.4 ft at 2:00AM Aug 17, 2020Observed: 14.4 ft at 2:15AM Aug 17, 2020Observed: 14.41 ft at 2:30AM Aug 17, 2020Observed: 14.4 ft at 2:45AM Aug 17, 2020Observed: 14.4 ft at 3:00AM Aug 17, 2020Observed: 14.41 ft at 3:15AM Aug 17, 2020Observed: 14.4 ft at 3:30AM Aug 17, 2020Observed: 14.39 ft at 3:45AM Aug 17, 2020Observed: 14.41 ft at 4:00AM Aug 17, 2020Observed: 14.38 ft at 4:15AM Aug 17, 2020Observed: 14.4 ft at 4:30AM Aug 17, 2020Observed: 14.41 ft at 4:45AM Aug 17, 2020Observed: 14.4 ft at 5:00AM Aug 17, 2020Observed: 14.4 ft at 5:15AM Aug 17, 2020Observed: 14.41 ft at 5:30AM Aug 17, 2020Observed: 14.4 ft at 5:45AM Aug 17, 2020Observed: 14.39 ft at 6:00AM Aug 17, 2020Observed: 14.4 ft at 6:15AM Aug 17, 2020Observed: 14.39 ft at 6:30AM Aug 17, 2020Observed: 14.38 ft at 6:45AM Aug 17, 2020Observed: 14.39 ft at 7:00AM Aug 17, 2020Observed: 14.39 ft at 7:15AM Aug 17, 2020Observed: 14.4 ft at 7:30AM Aug 17, 2020Observed: 14.41 ft at 7:45AM Aug 17, 2020Observed: 14.41 ft at 8:00AM Aug 17, 2020Observed: 14.39 ft at 8:15AM Aug 17, 2020Observed: 14.41 ft at 8:30AM Aug 17, 2020Observed: 14.4 ft at 8:45AM Aug 17, 2020Observed: 14.4 ft at 9:00AM Aug 17, 2020Observed: 14.4 ft at 9:15AM Aug 17, 2020Observed: 14.4 ft at 9:30AM Aug 17, 2020Observed: 14.4 ft at 9:45AM Aug 17, 2020Observed: 14.4 ft at 10:00AM Aug 17, 2020Observed: 14.39 ft at 10:15AM Aug 17, 2020Observed: 14.39 ft at 10:30AM Aug 17, 2020Observed: 14.37 ft at 10:45AM Aug 17, 2020Observed: 14.37 ft at 11:00AM Aug 17, 2020Observed: 14.36 ft at 11:15AM Aug 17, 2020Observed: 14.36 ft at 11:30AM Aug 17, 2020Observed: 14.39 ft at 11:45AM Aug 17, 2020Observed: 14.37 ft at 12:00PM Aug 17, 2020Observed: 14.38 ft at 12:15PM Aug 17, 2020Observed: 14.38 ft at 12:30PM Aug 17, 2020Observed: 14.36 ft at 12:45PM Aug 17, 2020Observed: 14.36 ft at 1:00PM Aug 17, 2020Observed: 14.38 ft at 1:15PM Aug 17, 2020Observed: 14.36 ft at 1:30PM Aug 17, 2020Observed: 14.35 ft at 1:45PM Aug 17, 2020Observed: 14.37 ft at 2:00PM Aug 17, 2020Observed: 14.36 ft at 2:15PM Aug 17, 2020Observed: 14.35 ft at 2:30PM Aug 17, 2020Observed: 14.36 ft at 2:45PM Aug 17, 2020Observed: 14.34 ft at 3:00PM Aug 17, 2020Observed: 14.36 ft at 3:15PM Aug 17, 2020Observed: 14.35 ft at 3:30PM Aug 17, 2020Observed: 14.37 ft at 3:45PM Aug 17, 2020Observed: 14.35 ft at 4:00PM Aug 17, 2020Observed: 14.36 ft at 4:15PM Aug 17, 2020Observed: 14.36 ft at 4:30PM Aug 17, 2020Observed: 14.38 ft at 4:45PM Aug 17, 2020Observed: 14.37 ft at 5:00PM Aug 17, 2020Observed: 14.35 ft at 5:15PM Aug 17, 2020Observed: 14.36 ft at 5:30PM Aug 17, 2020Observed: 14.38 ft at 5:45PM Aug 17, 2020Observed: 14.36 ft at 6:00PM Aug 17, 2020Observed: 14.38 ft at 6:15PM Aug 17, 2020Observed: 14.37 ft at 6:30PM Aug 17, 2020Observed: 14.36 ft at 6:45PM Aug 17, 2020Observed: 14.38 ft at 7:00PM Aug 17, 2020Observed: 14.38 ft at 7:15PM Aug 17, 2020Observed: 14.38 ft at 7:30PM Aug 17, 2020Observed: 14.36 ft at 7:45PM Aug 17, 2020Observed: 14.38 ft at 8:00PM Aug 17, 2020Observed: 14.38 ft at 8:15PM Aug 17, 2020Observed: 14.39 ft at 8:30PM Aug 17, 2020Observed: 14.39 ft at 8:45PM Aug 17, 2020Observed: 14.4 ft at 9:00PM Aug 17, 2020Observed: 14.4 ft at 9:15PM Aug 17, 2020Observed: 14.4 ft at 9:30PM Aug 17, 2020Observed: 14.4 ft at 9:45PM Aug 17, 2020Observed: 14.42 ft at 10:00PM Aug 17, 2020Observed: 14.42 ft at 10:15PM Aug 17, 2020Observed: 14.42 ft at 10:30PM Aug 17, 2020Observed: 14.41 ft at 10:45PM Aug 17, 2020Observed: 14.41 ft at 11:00PM Aug 17, 2020Observed: 14.44 ft at 11:15PM Aug 17, 2020Observed: 14.42 ft at 11:30PM Aug 17, 2020Observed: 14.43 ft at 11:45PM Aug 17, 2020Observed: 14.44 ft at 12:00AM Aug 18, 2020Observed: 14.44 ft at 12:15AM Aug 18, 2020Highest Observation: 14.45 ft at 12:30AM Aug 18, 2020Observed: 14.44 ft at 12:45AM Aug 18, 2020Observed: 14.44 ft at 1:00AM Aug 18, 2020Observed: 14.43 ft at 1:15AM Aug 18, 2020Observed: 14.44 ft at 1:30AM Aug 18, 2020Observed: 14.43 ft at 1:45AM Aug 18, 2020Observed: 14.43 ft at 2:00AM Aug 18, 2020Observed: 14.42 ft at 2:15AM Aug 18, 2020Highest Observation: 14.45 ft at 2:30AM Aug 18, 2020Observed: 14.42 ft at 2:45AM Aug 18, 2020Observed: 14.44 ft at 3:00AM Aug 18, 2020Observed: 14.43 ft at 3:15AM Aug 18, 2020Observed: 14.43 ft at 3:30AM Aug 18, 2020Observed: 14.43 ft at 3:45AM Aug 18, 2020Observed: 14.42 ft at 4:00AM Aug 18, 2020Observed: 14.42 ft at 4:15AM Aug 18, 2020Observed: 14.42 ft at 4:30AM Aug 18, 2020Observed: 14.43 ft at 4:45AM Aug 18, 2020Observed: 14.42 ft at 5:00AM Aug 18, 2020Observed: 14.43 ft at 5:15AM Aug 18, 2020Observed: 14.43 ft at 5:30AM Aug 18, 2020Observed: 14.42 ft at 5:45AM Aug 18, 2020Observed: 14.41 ft at 6:00AM Aug 18, 2020Observed: 14.41 ft at 6:15AM Aug 18, 2020Observed: 14.4 ft at 6:30AM Aug 18, 2020Observed: 14.4 ft at 6:45AM Aug 18, 2020Observed: 14.42 ft at 7:00AM Aug 18, 2020Observed: 14.42 ft at 7:15AM Aug 18, 2020Observed: 14.39 ft at 7:30AM Aug 18, 2020Observed: 14.4 ft at 7:45AM Aug 18, 2020Observed: 14.4 ft at 8:00AM Aug 18, 2020Observed: 14.4 ft at 8:15AM Aug 18, 2020Observed: 14.4 ft at 8:30AM Aug 18, 2020Observed: 14.39 ft at 8:45AM Aug 18, 2020Observed: 14.39 ft at 9:00AM Aug 18, 2020Observed: 14.38 ft at 9:15AM Aug 18, 2020Observed: 14.38 ft at 9:30AM Aug 18, 2020Observed: 14.38 ft at 9:45AM Aug 18, 2020Observed: 14.38 ft at 10:00AM Aug 18, 2020Observed: 14.37 ft at 10:15AM Aug 18, 2020Observed: 14.38 ft at 10:30AM Aug 18, 2020Observed: 14.36 ft at 10:45AM Aug 18, 2020Observed: 14.38 ft at 11:00AM Aug 18, 2020Observed: 14.37 ft at 11:15AM Aug 18, 2020Observed: 14.35 ft at 11:30AM Aug 18, 2020Observed: 14.36 ft at 11:45AM Aug 18, 2020Observed: 14.36 ft at 12:00PM Aug 18, 2020Observed: 14.37 ft at 12:15PM Aug 18, 2020Observed: 14.34 ft at 12:30PM Aug 18, 2020Observed: 14.35 ft at 12:45PM Aug 18, 2020Observed: 14.35 ft at 1:00PM Aug 18, 2020Observed: 14.34 ft at 1:15PM Aug 18, 2020Observed: 14.37 ft at 1:30PM Aug 18, 2020Observed: 14.33 ft at 1:45PM Aug 18, 2020Observed: 14.35 ft at 2:00PM Aug 18, 2020Observed: 14.34 ft at 2:15PM Aug 18, 2020Observed: 14.35 ft at 2:30PM Aug 18, 2020Observed: 14.34 ft at 2:45PM Aug 18, 2020Observed: 14.33 ft at 3:00PM Aug 18, 2020Observed: 14.35 ft at 3:15PM Aug 18, 2020Observed: 14.35 ft at 3:30PM Aug 18, 2020Observed: 14.34 ft at 3:45PM Aug 18, 2020Observed: 14.32 ft at 4:00PM Aug 18, 2020Observed: 14.31 ft at 4:15PM Aug 18, 2020Observed: 14.33 ft at 4:30PM Aug 18, 2020Observed: 14.32 ft at 4:45PM Aug 18, 2020Observed: 14.35 ft at 5:00PM Aug 18, 2020Observed: 14.34 ft at 5:15PM Aug 18, 2020Observed: 14.33 ft at 5:30PM Aug 18, 2020Observed: 14.35 ft at 5:45PM Aug 18, 2020Observed: 14.34 ft at 6:00PM Aug 18, 2020Observed: 14.33 ft at 6:15PM Aug 18, 2020Observed: 14.33 ft at 6:30PM Aug 18, 2020Observed: 14.34 ft at 6:45PM Aug 18, 2020Observed: 14.33 ft at 7:00PM Aug 18, 2020Observed: 14.33 ft at 7:15PM Aug 18, 2020Observed: 14.34 ft at 7:30PM Aug 18, 2020Observed: 14.34 ft at 7:45PM Aug 18, 2020Observed: 14.33 ft at 8:00PM Aug 18, 2020Observed: 14.34 ft at 8:15PM Aug 18, 2020Observed: 14.36 ft at 8:30PM Aug 18, 2020Observed: 14.33 ft at 8:45PM Aug 18, 2020Observed: 14.35 ft at 9:00PM Aug 18, 2020Observed: 14.34 ft at 9:15PM Aug 18, 2020Observed: 14.37 ft at 9:30PM Aug 18, 2020Observed: 14.37 ft at 9:45PM Aug 18, 2020Observed: 14.36 ft at 10:00PM Aug 18, 2020Observed: 14.37 ft at 10:15PM Aug 18, 2020Observed: 14.39 ft at 10:30PM Aug 18, 2020Observed: 14.38 ft at 10:45PM Aug 18, 2020Observed: 14.39 ft at 11:00PM Aug 18, 2020Observed: 14.37 ft at 11:15PM Aug 18, 2020Observed: 14.39 ft at 11:30PM Aug 18, 2020Observed: 14.39 ft at 11:45PM Aug 18, 2020Observed: 14.4 ft at 12:00AM Aug 19, 2020Observed: 14.41 ft at 12:15AM Aug 19, 2020Observed: 14.4 ft at 12:30AM Aug 19, 2020Observed: 14.41 ft at 12:45AM Aug 19, 2020Observed: 14.41 ft at 1:00AM Aug 19, 2020Observed: 14.41 ft at 1:15AM Aug 19, 2020Observed: 14.42 ft at 1:30AM Aug 19, 2020Observed: 14.41 ft at 1:45AM Aug 19, 2020Observed: 14.41 ft at 2:00AM Aug 19, 2020Observed: 14.42 ft at 2:15AM Aug 19, 2020Observed: 14.42 ft at 2:30AM Aug 19, 2020Observed: 14.41 ft at 2:45AM Aug 19, 2020Observed: 14.41 ft at 3:00AM Aug 19, 2020Observed: 14.41 ft at 3:15AM Aug 19, 2020Observed: 14.4 ft at 3:30AM Aug 19, 2020Observed: 14.4 ft at 3:45AM Aug 19, 2020Observed: 14.41 ft at 4:00AM Aug 19, 2020Observed: 14.4 ft at 4:15AM Aug 19, 2020Observed: 14.4 ft at 4:30AM Aug 19, 2020Observed: 14.41 ft at 4:45AM Aug 19, 2020Observed: 14.39 ft at 5:00AM Aug 19, 2020Observed: 14.38 ft at 5:15AM Aug 19, 2020Observed: 14.39 ft at 5:30AM Aug 19, 2020Observed: 14.39 ft at 5:45AM Aug 19, 2020Observed: 14.38 ft at 6:00AM Aug 19, 2020Observed: 14.39 ft at 6:15AM Aug 19, 2020Observed: 14.39 ft at 6:30AM Aug 19, 2020Observed: 14.38 ft at 6:45AM Aug 19, 2020Observed: 14.38 ft at 7:00AM Aug 19, 2020Observed: 14.35 ft at 7:15AM Aug 19, 2020Observed: 14.36 ft at 7:30AM Aug 19, 2020Observed: 14.35 ft at 7:45AM Aug 19, 2020Observed: 14.37 ft at 8:00AM Aug 19, 2020Observed: 14.37 ft at 8:15AM Aug 19, 2020Observed: 14.36 ft at 8:30AM Aug 19, 2020Observed: 14.36 ft at 8:45AM Aug 19, 2020Observed: 14.36 ft at 9:00AM Aug 19, 2020Observed: 14.35 ft at 9:15AM Aug 19, 2020Observed: 14.34 ft at 9:30AM Aug 19, 2020Observed: 14.33 ft at 9:45AM Aug 19, 2020Observed: 14.35 ft at 10:00AM Aug 19, 2020Observed: 14.34 ft at 10:15AM Aug 19, 2020Observed: 14.36 ft at 10:30AM Aug 19, 2020Observed: 14.35 ft at 10:45AM Aug 19, 2020Observed: 14.34 ft at 11:00AM Aug 19, 2020Observed: 14.34 ft at 11:15AM Aug 19, 2020Observed: 14.33 ft at 11:30AM Aug 19, 2020Observed: 14.35 ft at 11:45AM Aug 19, 2020Observed: 14.34 ft at 12:00PM Aug 19, 2020Observed: 14.33 ft at 12:15PM Aug 19, 2020Observed: 14.32 ft at 12:30PM Aug 19, 2020Observed: 14.3 ft at 12:45PM Aug 19, 2020Observed: 14.31 ft at 1:00PM Aug 19, 2020Observed: 14.31 ft at 1:15PM Aug 19, 2020Observed: 14.31 ft at 1:30PM Aug 19, 2020Observed: 14.31 ft at 1:45PM Aug 19, 2020Observed: 14.3 ft at 2:00PM Aug 19, 2020Observed: 14.33 ft at 2:15PM Aug 19, 2020Observed: 14.32 ft at 2:30PM Aug 19, 2020Observed: 14.31 ft at 2:45PM Aug 19, 2020Observed: 14.3 ft at 3:00PM Aug 19, 2020Forecast: 14.34 ft 5:00PM Aug 19, 2020Forecast: 14.33 ft 11:00PM Aug 19, 2020Forecast: 14.33 ft 5:00AM Aug 20, 2020Forecast: 14.33 ft 11:00AM Aug 20, 2020Forecast: 14.33 ft 5:00PM Aug 20, 2020Forecast: 14.33 ft 11:00PM Aug 20, 2020Forecast: 14.33 ft 5:00AM Aug 21, 2020Forecast: 14.34 ft 11:00AM Aug 21, 2020Forecast: 14.37 ft 5:00PM Aug 21, 2020Highest Forecast: 14.4 ft 11:00PM Aug 21, 2020Highest Forecast: 14.4 ft 5:00AM Aug 22, 2020Forecast: 14.37 ft 11:00AM Aug 22, 2020Forecast: 14.35 ft 5:00PM Aug 22, 2020Forecast: 14.33 ft 11:00PM Aug 22, 2020Forecast: 14.31 ft 5:00AM Aug 23, 2020Forecast: 14.3 ft 11:00AM Aug 23, 2020Forecast: 14.29 ft 5:00PM Aug 23, 2020Forecast: 14.28 ft 11:00PM Aug 23, 2020Forecast: 14.27 ft 5:00AM Aug 24, 2020Forecast: 14.26 ft 11:00AM Aug 24, 2020USGS--Water Resources of the United StatesCIYW1(plotting HGIRG) Graph Created (3:20PM Aug 19, 2020)ObservedForecast (issued 2:22PM Aug 19)Latest observed value: 14.3 ft at 3:00 PM PDT 19-Aug-2020.
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast.

NOTE: Gage observations from this river gage have been temporarily discontinued due to a system maintenance and replacement project. River forecasts will continue but will not have the benefit of using the actual river flows.

Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Cowlitz River near Kosmos are issued routinely year-round.

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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): 0

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
About This Location Collapse

Latitude: 46.466389° N, Longitude: 122.107778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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Page last modified: 2-Nov-2020 7:27 PM
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