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Hydrograph River at a Glance Download
Cowlitz River near Kosmos River Discharge (cfs)Stage (ft)Observed: 5130 cfs at 9:00PM Feb 19, 2020Observed: 4990 cfs at 9:15PM Feb 19, 2020Observed: 4960 cfs at 9:30PM Feb 19, 2020Observed: 4960 cfs at 9:45PM Feb 19, 2020Observed: 5030 cfs at 10:00PM Feb 19, 2020Observed: 5200 cfs at 10:15PM Feb 19, 2020Observed: 5190 cfs at 10:30PM Feb 19, 2020Observed: 5200 cfs at 10:45PM Feb 19, 2020Observed: 5230 cfs at 11:00PM Feb 19, 2020Observed: 5130 cfs at 11:15PM Feb 19, 2020Observed: 5130 cfs at 11:30PM Feb 19, 2020Observed: 5130 cfs at 11:45PM Feb 19, 2020Observed: 5090 cfs at 12:00AM Feb 20, 2020Observed: 5030 cfs at 12:15AM Feb 20, 2020Observed: 5000 cfs at 12:30AM Feb 20, 2020Observed: 5030 cfs at 12:45AM Feb 20, 2020Observed: 4990 cfs at 1:00AM Feb 20, 2020Observed: 5090 cfs at 1:15AM Feb 20, 2020Observed: 5060 cfs at 1:30AM Feb 20, 2020Observed: 5090 cfs at 1:45AM Feb 20, 2020Observed: 5060 cfs at 2:00AM Feb 20, 2020Observed: 4960 cfs at 2:15AM Feb 20, 2020Observed: 4960 cfs at 2:30AM Feb 20, 2020Observed: 4960 cfs at 2:45AM Feb 20, 2020Observed: 4960 cfs at 3:00AM Feb 20, 2020Observed: 5230 cfs at 3:15AM Feb 20, 2020Observed: 5190 cfs at 3:30AM Feb 20, 2020Observed: 5230 cfs at 3:45AM Feb 20, 2020Observed: 5090 cfs at 4:00AM Feb 20, 2020Observed: 4930 cfs at 4:15AM Feb 20, 2020Observed: 4930 cfs at 4:30AM Feb 20, 2020Observed: 4930 cfs at 4:45AM Feb 20, 2020Observed: 4930 cfs at 5:00AM Feb 20, 2020Observed: 5290 cfs at 5:15AM Feb 20, 2020Highest Observation: 5300 cfs at 5:30AM Feb 20, 2020Observed: 5290 cfs at 5:45AM Feb 20, 2020Observed: 5200 cfs at 6:00AM Feb 20, 2020Observed: 4790 cfs at 6:15AM Feb 20, 2020Observed: 4790 cfs at 6:30AM Feb 20, 2020Observed: 4760 cfs at 6:45AM Feb 20, 2020Observed: 4790 cfs at 7:00AM Feb 20, 2020Observed: 5030 cfs at 7:15AM Feb 20, 2020Observed: 5030 cfs at 7:30AM Feb 20, 2020Observed: 5060 cfs at 7:45AM Feb 20, 2020Observed: 5100 cfs at 8:00AM Feb 20, 2020Observed: 4960 cfs at 8:15AM Feb 20, 2020Observed: 4930 cfs at 8:30AM Feb 20, 2020Observed: 4960 cfs at 8:45AM Feb 20, 2020Observed: 4960 cfs at 9:00AM Feb 20, 2020Observed: 4870 cfs at 9:15AM Feb 20, 2020Observed: 4830 cfs at 9:30AM Feb 20, 2020Observed: 4090 cfs at 9:45AM Feb 20, 2020Observed: 4390 cfs at 10:00AM Feb 20, 2020Observed: 4360 cfs at 10:15AM Feb 20, 2020Observed: 4530 cfs at 10:30AM Feb 20, 2020Observed: 4530 cfs at 10:45AM Feb 20, 2020Observed: 4560 cfs at 11:00AM Feb 20, 2020Observed: 4560 cfs at 11:15AM Feb 20, 2020Observed: 4530 cfs at 11:30AM Feb 20, 2020Observed: 4460 cfs at 11:45AM Feb 20, 2020Observed: 4530 cfs at 12:00PM Feb 20, 2020Observed: 4510 cfs at 12:15PM Feb 20, 2020Observed: 4490 cfs at 12:30PM Feb 20, 2020Observed: 4530 cfs at 12:45PM Feb 20, 2020Observed: 4530 cfs at 1:00PM Feb 20, 2020Observed: 4460 cfs at 1:15PM Feb 20, 2020Observed: 4530 cfs at 1:30PM Feb 20, 2020Observed: 4530 cfs at 1:45PM Feb 20, 2020Observed: 4490 cfs at 2:00PM Feb 20, 2020Observed: 4530 cfs at 2:15PM Feb 20, 2020Observed: 4490 cfs at 2:30PM Feb 20, 2020Observed: 4630 cfs at 2:45PM Feb 20, 2020Observed: 4590 cfs at 3:00PM Feb 20, 2020Observed: 4590 cfs at 3:15PM Feb 20, 2020Observed: 4590 cfs at 3:30PM Feb 20, 2020Observed: 4630 cfs at 3:45PM Feb 20, 2020Observed: 4730 cfs at 4:00PM Feb 20, 2020Observed: 5190 cfs at 4:15PM Feb 20, 2020Observed: 5230 cfs at 4:30PM Feb 20, 2020Observed: 5230 cfs at 4:45PM Feb 20, 2020Observed: 5230 cfs at 5:00PM Feb 20, 2020Observed: 4990 cfs at 5:15PM Feb 20, 2020Observed: 4960 cfs at 5:30PM Feb 20, 2020Observed: 4960 cfs at 5:45PM Feb 20, 2020Observed: 4930 cfs at 6:00PM Feb 20, 2020Observed: 4960 cfs at 6:15PM Feb 20, 2020Observed: 4960 cfs at 6:30PM Feb 20, 2020Observed: 4960 cfs at 6:45PM Feb 20, 2020Observed: 4930 cfs at 7:00PM Feb 20, 2020Observed: 4930 cfs at 7:15PM Feb 20, 2020Observed: 4930 cfs at 7:30PM Feb 20, 2020Observed: 4930 cfs at 7:45PM Feb 20, 2020Observed: 4960 cfs at 8:00PM Feb 20, 2020Observed: 4830 cfs at 8:15PM Feb 20, 2020Observed: 4860 cfs at 8:30PM Feb 20, 2020Observed: 4860 cfs at 8:45PM Feb 20, 2020Observed: 4890 cfs at 9:00PM Feb 20, 2020Observed: 5090 cfs at 9:15PM Feb 20, 2020Observed: 5100 cfs at 9:30PM Feb 20, 2020Observed: 5100 cfs at 9:45PM Feb 20, 2020Observed: 5090 cfs at 10:00PM Feb 20, 2020Observed: 4790 cfs at 10:15PM Feb 20, 2020Observed: 4760 cfs at 10:30PM Feb 20, 2020Observed: 4790 cfs at 10:45PM Feb 20, 2020Observed: 4760 cfs at 11:00PM Feb 20, 2020Observed: 5030 cfs at 11:15PM Feb 20, 2020Observed: 4990 cfs at 11:30PM Feb 20, 2020Observed: 4990 cfs at 11:45PM Feb 20, 2020Observed: 5030 cfs at 12:00AM Feb 21, 2020Observed: 5060 cfs at 12:15AM Feb 21, 2020Observed: 5030 cfs at 12:30AM Feb 21, 2020Observed: 5030 cfs at 12:45AM Feb 21, 2020Observed: 5030 cfs at 1:00AM Feb 21, 2020Observed: 5030 cfs at 1:15AM Feb 21, 2020Observed: 5030 cfs at 1:30AM Feb 21, 2020Observed: 5060 cfs at 1:45AM Feb 21, 2020Observed: 5060 cfs at 2:00AM Feb 21, 2020Observed: 4860 cfs at 2:15AM Feb 21, 2020Observed: 4890 cfs at 2:30AM Feb 21, 2020Observed: 4890 cfs at 2:45AM Feb 21, 2020Observed: 4860 cfs at 3:00AM Feb 21, 2020Observed: 4890 cfs at 3:15AM Feb 21, 2020Observed: 4930 cfs at 3:30AM Feb 21, 2020Observed: 4860 cfs at 3:45AM Feb 21, 2020Observed: 4860 cfs at 4:00AM Feb 21, 2020Observed: 4890 cfs at 4:15AM Feb 21, 2020Observed: 4890 cfs at 4:30AM Feb 21, 2020Observed: 4860 cfs at 4:45AM Feb 21, 2020Observed: 4860 cfs at 5:00AM Feb 21, 2020Observed: 4890 cfs at 5:15AM Feb 21, 2020Observed: 4890 cfs at 5:30AM Feb 21, 2020Observed: 4890 cfs at 5:45AM Feb 21, 2020Observed: 4890 cfs at 6:00AM Feb 21, 2020Observed: 4960 cfs at 6:15AM Feb 21, 2020Observed: 4930 cfs at 6:30AM Feb 21, 2020Observed: 4930 cfs at 6:45AM Feb 21, 2020Observed: 4930 cfs at 7:00AM Feb 21, 2020Observed: 4790 cfs at 7:15AM Feb 21, 2020Observed: 4790 cfs at 7:30AM Feb 21, 2020Observed: 4790 cfs at 7:45AM Feb 21, 2020Observed: 4790 cfs at 8:00AM Feb 21, 2020Observed: 4730 cfs at 8:15AM Feb 21, 2020Observed: 4760 cfs at 8:30AM Feb 21, 2020Observed: 4790 cfs at 8:45AM Feb 21, 2020Observed: 4830 cfs at 9:00AM Feb 21, 2020Observed: 4790 cfs at 9:15AM Feb 21, 2020Observed: 4790 cfs at 9:30AM Feb 21, 2020Observed: 4760 cfs at 9:45AM Feb 21, 2020Observed: 4190 cfs at 10:00AM Feb 21, 2020Observed: 4430 cfs at 10:15AM Feb 21, 2020Observed: 4430 cfs at 10:30AM Feb 21, 2020Observed: 4430 cfs at 10:45AM Feb 21, 2020Observed: 4430 cfs at 11:00AM Feb 21, 2020Observed: 4430 cfs at 11:15AM Feb 21, 2020Observed: 4430 cfs at 11:30AM Feb 21, 2020Observed: 4400 cfs at 11:45AM Feb 21, 2020Observed: 4400 cfs at 12:00PM Feb 21, 2020Observed: 4430 cfs at 12:15PM Feb 21, 2020Observed: 4430 cfs at 12:30PM Feb 21, 2020Observed: 4400 cfs at 12:45PM Feb 21, 2020Observed: 4360 cfs at 1:00PM Feb 21, 2020Observed: 4460 cfs at 1:15PM Feb 21, 2020Observed: 4400 cfs at 1:30PM Feb 21, 2020Observed: 4460 cfs at 1:45PM Feb 21, 2020Observed: 4490 cfs at 2:00PM Feb 21, 2020Observed: 4430 cfs at 2:15PM Feb 21, 2020Observed: 4390 cfs at 2:30PM Feb 21, 2020Observed: 4460 cfs at 2:45PM Feb 21, 2020Observed: 4430 cfs at 3:00PM Feb 21, 2020Observed: 4660 cfs at 3:15PM Feb 21, 2020Observed: 4600 cfs at 3:30PM Feb 21, 2020Observed: 4630 cfs at 3:45PM Feb 21, 2020Observed: 4590 cfs at 4:00PM Feb 21, 2020Observed: 4600 cfs at 4:15PM Feb 21, 2020Observed: 4630 cfs at 4:30PM Feb 21, 2020Observed: 4630 cfs at 4:45PM Feb 21, 2020Observed: 4630 cfs at 5:00PM Feb 21, 2020Observed: 4600 cfs at 5:15PM Feb 21, 2020Observed: 4600 cfs at 5:30PM Feb 21, 2020Observed: 4590 cfs at 5:45PM Feb 21, 2020Observed: 4590 cfs at 6:00PM Feb 21, 2020Observed: 4590 cfs at 6:15PM Feb 21, 2020Observed: 4590 cfs at 6:30PM Feb 21, 2020Observed: 4590 cfs at 6:45PM Feb 21, 2020Observed: 4590 cfs at 7:00PM Feb 21, 2020Observed: 4630 cfs at 7:15PM Feb 21, 2020Observed: 4590 cfs at 7:30PM Feb 21, 2020Observed: 4590 cfs at 7:45PM Feb 21, 2020Observed: 4630 cfs at 8:00PM Feb 21, 2020Observed: 4590 cfs at 8:15PM Feb 21, 2020Observed: 4590 cfs at 8:30PM Feb 21, 2020Observed: 4590 cfs at 8:45PM Feb 21, 2020Observed: 4630 cfs at 9:00PM Feb 21, 2020Observed: 4630 cfs at 9:15PM Feb 21, 2020Observed: 4590 cfs at 9:30PM Feb 21, 2020Observed: 4590 cfs at 9:45PM Feb 21, 2020Observed: 4630 cfs at 10:00PM Feb 21, 2020Observed: 4590 cfs at 10:15PM Feb 21, 2020Observed: 4590 cfs at 10:30PM Feb 21, 2020Observed: 4590 cfs at 10:45PM Feb 21, 2020Observed: 4630 cfs at 11:00PM Feb 21, 2020Observed: 4590 cfs at 11:15PM Feb 21, 2020Observed: 4590 cfs at 11:30PM Feb 21, 2020Observed: 4590 cfs at 11:45PM Feb 21, 2020Observed: 4590 cfs at 12:00AM Feb 22, 2020Observed: 4590 cfs at 12:15AM Feb 22, 2020Observed: 4600 cfs at 12:30AM Feb 22, 2020Observed: 4590 cfs at 12:45AM Feb 22, 2020Observed: 4630 cfs at 1:00AM Feb 22, 2020Observed: 4590 cfs at 1:15AM Feb 22, 2020Observed: 4590 cfs at 1:30AM Feb 22, 2020Observed: 4600 cfs at 1:45AM Feb 22, 2020Observed: 4590 cfs at 2:00AM Feb 22, 2020Observed: 4590 cfs at 2:15AM Feb 22, 2020Observed: 4630 cfs at 2:30AM Feb 22, 2020Observed: 4600 cfs at 2:45AM Feb 22, 2020Observed: 4590 cfs at 3:00AM Feb 22, 2020Observed: 4590 cfs at 3:15AM Feb 22, 2020Observed: 4590 cfs at 3:30AM Feb 22, 2020Observed: 4630 cfs at 3:45AM Feb 22, 2020Observed: 4590 cfs at 4:00AM Feb 22, 2020Observed: 4660 cfs at 4:15AM Feb 22, 2020Observed: 4660 cfs at 4:30AM Feb 22, 2020Observed: 4660 cfs at 4:45AM Feb 22, 2020Observed: 4630 cfs at 5:00AM Feb 22, 2020Observed: 4630 cfs at 5:15AM Feb 22, 2020Observed: 4660 cfs at 5:30AM Feb 22, 2020Observed: 4660 cfs at 5:45AM Feb 22, 2020Observed: 4660 cfs at 6:00AM Feb 22, 2020Observed: 4660 cfs at 6:15AM Feb 22, 2020Observed: 4660 cfs at 6:30AM Feb 22, 2020Observed: 4700 cfs at 6:45AM Feb 22, 2020Observed: 4660 cfs at 7:00AM Feb 22, 2020Observed: 4660 cfs at 7:15AM Feb 22, 2020Observed: 4660 cfs at 7:30AM Feb 22, 2020Observed: 4660 cfs at 7:45AM Feb 22, 2020Observed: 4660 cfs at 8:00AM Feb 22, 2020Observed: 4660 cfs at 8:15AM Feb 22, 2020Observed: 4660 cfs at 8:30AM Feb 22, 2020Observed: 4660 cfs at 8:45AM Feb 22, 2020Observed: 4660 cfs at 9:00AM Feb 22, 2020Observed: 4660 cfs at 9:15AM Feb 22, 2020Observed: 4630 cfs at 9:30AM Feb 22, 2020Observed: 4630 cfs at 9:45AM Feb 22, 2020Observed: 4630 cfs at 10:00AM Feb 22, 2020Observed: 4630 cfs at 10:15AM Feb 22, 2020Observed: 4660 cfs at 10:30AM Feb 22, 2020Observed: 4660 cfs at 10:45AM Feb 22, 2020Observed: 4630 cfs at 11:00AM Feb 22, 2020Observed: 4630 cfs at 11:15AM Feb 22, 2020Observed: 4660 cfs at 11:30AM Feb 22, 2020Observed: 4660 cfs at 11:45AM Feb 22, 2020Observed: 4630 cfs at 12:00PM Feb 22, 2020Observed: 3430 cfs at 12:15PM Feb 22, 2020Observed: 4260 cfs at 12:30PM Feb 22, 2020Observed: 4260 cfs at 12:45PM Feb 22, 2020Observed: 4230 cfs at 1:00PM Feb 22, 2020Observed: 4630 cfs at 1:15PM Feb 22, 2020Observed: 4620 cfs at 1:30PM Feb 22, 2020Observed: 4630 cfs at 1:45PM Feb 22, 2020Observed: 4560 cfs at 2:00PM Feb 22, 2020Observed: 4130 cfs at 2:15PM Feb 22, 2020Observed: 4090 cfs at 2:30PM Feb 22, 2020Observed: 4130 cfs at 2:45PM Feb 22, 2020Observed: 4160 cfs at 3:00PM Feb 22, 2020Observed: 4460 cfs at 3:15PM Feb 22, 2020Observed: 4490 cfs at 3:30PM Feb 22, 2020Observed: 4460 cfs at 3:45PM Feb 22, 2020Observed: 4430 cfs at 4:00PM Feb 22, 2020Observed: 4490 cfs at 4:15PM Feb 22, 2020Observed: 4490 cfs at 4:30PM Feb 22, 2020Observed: 4490 cfs at 4:45PM Feb 22, 2020Observed: 4460 cfs at 5:00PM Feb 22, 2020Observed: 4490 cfs at 5:15PM Feb 22, 2020Observed: 4490 cfs at 5:30PM Feb 22, 2020Observed: 4460 cfs at 5:45PM Feb 22, 2020Observed: 4500 cfs at 6:00PM Feb 22, 2020Observed: 4490 cfs at 6:15PM Feb 22, 2020Observed: 4430 cfs at 6:30PM Feb 22, 2020Observed: 4460 cfs at 6:45PM Feb 22, 2020Observed: 4500 cfs at 7:00PM Feb 22, 2020Observed: 4460 cfs at 7:15PM Feb 22, 2020Observed: 4460 cfs at 7:30PM Feb 22, 2020Forecast: 4041.8 cfs 10:00PM Feb 22, 2020Forecast: 4009.57 cfs 4:00AM Feb 23, 2020Forecast: 4045.8 cfs 10:00AM Feb 23, 2020Forecast: 4185 cfs 4:00PM Feb 23, 2020Forecast: 4415.33 cfs 10:00PM Feb 23, 2020Forecast: 4716.06 cfs 4:00AM Feb 24, 2020Forecast: 4991.39 cfs 10:00AM Feb 24, 2020Highest Forecast: 5148.72 cfs 4:00PM Feb 24, 2020Forecast: 5147.45 cfs 10:00PM Feb 24, 2020Forecast: 5045.56 cfs 4:00AM Feb 25, 2020Forecast: 4872.71 cfs 10:00AM Feb 25, 2020Forecast: 4669.4 cfs 4:00PM Feb 25, 2020Forecast: 4457.83 cfs 10:00PM Feb 25, 2020Forecast: 4284.7 cfs 4:00AM Feb 26, 2020Forecast: 4146.8 cfs 10:00AM Feb 26, 2020Forecast: 4050.71 cfs 4:00PM Feb 26, 2020Forecast: 3986.91 cfs 10:00PM Feb 26, 2020Forecast: 3968.71 cfs 4:00AM Feb 27, 2020Forecast: 3963.53 cfs 10:00AM Feb 27, 2020Forecast: 3965.67 cfs 4:00PM Feb 27, 2020Forecast: 3967.52 cfs 10:00PM Feb 27, 2020Forecast: 3983.17 cfs 4:00AM Feb 28, 2020Forecast: 3994.54 cfs 10:00AM Feb 28, 2020Forecast: 4015.17 cfs 4:00PM Feb 28, 2020Forecast: 4037.07 cfs 10:00PM Feb 28, 2020Forecast: 4063.8 cfs 4:00AM Feb 29, 2020Forecast: 4074.48 cfs 10:00AM Feb 29, 2020Forecast: 4093.64 cfs 4:00PM Feb 29, 2020USGS--Water Resources of the United StatesCOKW1(plotting QRIRG) Graph Created (8:49PM Feb 22, 2020)ObservedForecast (issued 4:58PM Feb 22)Latest observed value: 4460 cfs at 7:30 PM PST 22-Feb-2020.
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About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past and future precipitation. Forecast stages may be different if forecast future rainfall does not occur.

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.
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Page last modified: 4-Mar-2019 11:27 PM
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