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Hydrograph River at a Glance Download
Cowlitz River near Kosmos River Discharge (cfs)Stage (ft)Observed: 5380 cfs at 6:00AM Mar 26, 2024Observed: 5450 cfs at 6:15AM Mar 26, 2024Observed: 5440 cfs at 6:30AM Mar 26, 2024Observed: 5460 cfs at 6:45AM Mar 26, 2024Observed: 5400 cfs at 7:00AM Mar 26, 2024Observed: 5300 cfs at 7:15AM Mar 26, 2024Observed: 5240 cfs at 7:30AM Mar 26, 2024Observed: 5260 cfs at 7:45AM Mar 26, 2024Observed: 5330 cfs at 8:00AM Mar 26, 2024Observed: 5550 cfs at 8:15AM Mar 26, 2024Observed: 5500 cfs at 8:30AM Mar 26, 2024Highest Observation: 5580 cfs at 8:45AM Mar 26, 2024Observed: 5490 cfs at 9:00AM Mar 26, 2024Observed: 5240 cfs at 9:15AM Mar 26, 2024Observed: 5260 cfs at 9:30AM Mar 26, 2024Observed: 5220 cfs at 9:45AM Mar 26, 2024Observed: 5270 cfs at 10:00AM Mar 26, 2024Observed: 5480 cfs at 10:15AM Mar 26, 2024Observed: 5450 cfs at 10:30AM Mar 26, 2024Observed: 5440 cfs at 10:45AM Mar 26, 2024Observed: 5400 cfs at 11:00AM Mar 26, 2024Observed: 5260 cfs at 11:15AM Mar 26, 2024Observed: 5170 cfs at 11:30AM Mar 26, 2024Observed: 5220 cfs at 11:45AM Mar 26, 2024Observed: 5280 cfs at 12:00PM Mar 26, 2024Observed: 5310 cfs at 12:15PM Mar 26, 2024Observed: 5280 cfs at 12:30PM Mar 26, 2024Observed: 5290 cfs at 12:45PM Mar 26, 2024Observed: 5270 cfs at 1:00PM Mar 26, 2024Observed: 5280 cfs at 1:15PM Mar 26, 2024Observed: 5330 cfs at 1:30PM Mar 26, 2024Observed: 5320 cfs at 1:45PM Mar 26, 2024Observed: 5270 cfs at 2:00PM Mar 26, 2024Observed: 5300 cfs at 2:15PM Mar 26, 2024Observed: 5260 cfs at 2:30PM Mar 26, 2024Observed: 5270 cfs at 2:45PM Mar 26, 2024Observed: 5260 cfs at 3:00PM Mar 26, 2024Observed: 5380 cfs at 3:15PM Mar 26, 2024Observed: 5330 cfs at 3:30PM Mar 26, 2024Observed: 5380 cfs at 3:45PM Mar 26, 2024Observed: 5380 cfs at 4:00PM Mar 26, 2024Observed: 5140 cfs at 4:15PM Mar 26, 2024Observed: 5160 cfs at 4:30PM Mar 26, 2024Observed: 5090 cfs at 4:45PM Mar 26, 2024Observed: 5120 cfs at 5:00PM Mar 26, 2024Observed: 5270 cfs at 5:15PM Mar 26, 2024Observed: 5280 cfs at 5:30PM Mar 26, 2024Observed: 5310 cfs at 5:45PM Mar 26, 2024Observed: 5290 cfs at 6:00PM Mar 26, 2024Observed: 5390 cfs at 6:15PM Mar 26, 2024Observed: 5400 cfs at 6:30PM Mar 26, 2024Observed: 5400 cfs at 6:45PM Mar 26, 2024Observed: 5310 cfs at 7:00PM Mar 26, 2024Observed: 4950 cfs at 7:15PM Mar 26, 2024Observed: 4970 cfs at 7:30PM Mar 26, 2024Observed: 4950 cfs at 7:45PM Mar 26, 2024Observed: 5010 cfs at 8:00PM Mar 26, 2024Observed: 5380 cfs at 8:15PM Mar 26, 2024Observed: 5320 cfs at 8:30PM Mar 26, 2024Observed: 5330 cfs at 8:45PM Mar 26, 2024Observed: 5320 cfs at 9:00PM Mar 26, 2024Observed: 5150 cfs at 9:15PM Mar 26, 2024Observed: 5170 cfs at 9:30PM Mar 26, 2024Observed: 5130 cfs at 9:45PM Mar 26, 2024Observed: 5160 cfs at 10:00PM Mar 26, 2024Observed: 5230 cfs at 10:15PM Mar 26, 2024Observed: 5230 cfs at 10:30PM Mar 26, 2024Observed: 5240 cfs at 10:45PM Mar 26, 2024Observed: 5200 cfs at 11:00PM Mar 26, 2024Observed: 5020 cfs at 11:15PM Mar 26, 2024Observed: 5020 cfs at 11:30PM Mar 26, 2024Observed: 4990 cfs at 11:45PM Mar 26, 2024Observed: 5060 cfs at 12:00AM Mar 27, 2024Observed: 5260 cfs at 12:15AM Mar 27, 2024Observed: 5240 cfs at 12:30AM Mar 27, 2024Observed: 5250 cfs at 12:45AM Mar 27, 2024Observed: 5210 cfs at 1:00AM Mar 27, 2024Observed: 5190 cfs at 1:15AM Mar 27, 2024Observed: 5170 cfs at 1:30AM Mar 27, 2024Observed: 5190 cfs at 1:45AM Mar 27, 2024Observed: 5120 cfs at 2:00AM Mar 27, 2024Observed: 4990 cfs at 2:15AM Mar 27, 2024Observed: 5020 cfs at 2:30AM Mar 27, 2024Observed: 5030 cfs at 2:45AM Mar 27, 2024Observed: 5080 cfs at 3:00AM Mar 27, 2024Observed: 5270 cfs at 3:15AM Mar 27, 2024Observed: 5230 cfs at 3:30AM Mar 27, 2024Observed: 5230 cfs at 3:45AM Mar 27, 2024Observed: 5260 cfs at 4:00AM Mar 27, 2024Observed: 5210 cfs at 4:15AM Mar 27, 2024Observed: 5200 cfs at 4:30AM Mar 27, 2024Observed: 5190 cfs at 4:45AM Mar 27, 2024Observed: 5160 cfs at 5:00AM Mar 27, 2024Observed: 4870 cfs at 5:15AM Mar 27, 2024Observed: 4870 cfs at 5:30AM Mar 27, 2024Observed: 4870 cfs at 5:45AM Mar 27, 2024Observed: 4950 cfs at 6:00AM Mar 27, 2024Observed: 5300 cfs at 6:15AM Mar 27, 2024Observed: 5320 cfs at 6:30AM Mar 27, 2024Observed: 5290 cfs at 6:45AM Mar 27, 2024Observed: 5300 cfs at 7:00AM Mar 27, 2024Observed: 5070 cfs at 7:15AM Mar 27, 2024Observed: 5030 cfs at 7:30AM Mar 27, 2024Observed: 5090 cfs at 7:45AM Mar 27, 2024Observed: 5080 cfs at 8:00AM Mar 27, 2024Observed: 5120 cfs at 8:15AM Mar 27, 2024Observed: 5150 cfs at 8:30AM Mar 27, 2024Observed: 5110 cfs at 8:45AM Mar 27, 2024Observed: 5130 cfs at 9:00AM Mar 27, 2024Observed: 4980 cfs at 9:15AM Mar 27, 2024Observed: 4990 cfs at 9:30AM Mar 27, 2024Observed: 5040 cfs at 9:45AM Mar 27, 2024Observed: 5030 cfs at 10:00AM Mar 27, 2024Observed: 5190 cfs at 10:15AM Mar 27, 2024Observed: 5150 cfs at 10:30AM Mar 27, 2024Observed: 5190 cfs at 10:45AM Mar 27, 2024Observed: 5210 cfs at 11:00AM Mar 27, 2024Observed: 5140 cfs at 11:15AM Mar 27, 2024Observed: 5190 cfs at 11:30AM Mar 27, 2024Observed: 5190 cfs at 11:45AM Mar 27, 2024Observed: 5180 cfs at 12:00PM Mar 27, 2024Observed: 5100 cfs at 12:15PM Mar 27, 2024Observed: 5110 cfs at 12:30PM Mar 27, 2024Observed: 5050 cfs at 12:45PM Mar 27, 2024Observed: 5120 cfs at 1:00PM Mar 27, 2024Observed: 5230 cfs at 1:15PM Mar 27, 2024Observed: 5250 cfs at 1:30PM Mar 27, 2024Observed: 5230 cfs at 1:45PM Mar 27, 2024Observed: 5220 cfs at 2:00PM Mar 27, 2024Observed: 5190 cfs at 2:15PM Mar 27, 2024Observed: 5220 cfs at 2:30PM Mar 27, 2024Observed: 5190 cfs at 2:45PM Mar 27, 2024Observed: 5200 cfs at 3:00PM Mar 27, 2024Observed: 5150 cfs at 3:15PM Mar 27, 2024Observed: 5130 cfs at 3:30PM Mar 27, 2024Observed: 5150 cfs at 3:45PM Mar 27, 2024Observed: 5120 cfs at 4:00PM Mar 27, 2024Observed: 5250 cfs at 4:15PM Mar 27, 2024Observed: 5250 cfs at 4:30PM Mar 27, 2024Observed: 5230 cfs at 4:45PM Mar 27, 2024Observed: 5270 cfs at 5:00PM Mar 27, 2024Observed: 5220 cfs at 5:15PM Mar 27, 2024Observed: 5290 cfs at 5:30PM Mar 27, 2024Observed: 5240 cfs at 5:45PM Mar 27, 2024Observed: 5280 cfs at 6:00PM Mar 27, 2024Observed: 5190 cfs at 6:15PM Mar 27, 2024Observed: 5200 cfs at 6:30PM Mar 27, 2024Observed: 5230 cfs at 6:45PM Mar 27, 2024Observed: 5210 cfs at 7:00PM Mar 27, 2024Observed: 5460 cfs at 7:15PM Mar 27, 2024Observed: 5450 cfs at 7:30PM Mar 27, 2024Observed: 5440 cfs at 7:45PM Mar 27, 2024Observed: 5470 cfs at 8:00PM Mar 27, 2024Observed: 5180 cfs at 8:15PM Mar 27, 2024Observed: 5110 cfs at 8:30PM Mar 27, 2024Observed: 5110 cfs at 8:45PM Mar 27, 2024Observed: 5190 cfs at 9:00PM Mar 27, 2024Observed: 5490 cfs at 9:15PM Mar 27, 2024Observed: 5420 cfs at 9:30PM Mar 27, 2024Observed: 5460 cfs at 9:45PM Mar 27, 2024Observed: 5450 cfs at 10:00PM Mar 27, 2024Observed: 5400 cfs at 10:15PM Mar 27, 2024Observed: 5390 cfs at 10:30PM Mar 27, 2024Observed: 5390 cfs at 10:45PM Mar 27, 2024Observed: 5400 cfs at 11:00PM Mar 27, 2024Observed: 5510 cfs at 11:15PM Mar 27, 2024Observed: 5490 cfs at 11:30PM Mar 27, 2024Observed: 5470 cfs at 11:45PM Mar 27, 2024Observed: 5440 cfs at 12:00AM Mar 28, 2024Observed: 5470 cfs at 12:15AM Mar 28, 2024Observed: 5450 cfs at 12:30AM Mar 28, 2024Observed: 5440 cfs at 12:45AM Mar 28, 2024Observed: 5440 cfs at 1:00AM Mar 28, 2024Observed: 5450 cfs at 1:15AM Mar 28, 2024Observed: 5460 cfs at 1:30AM Mar 28, 2024Observed: 5500 cfs at 1:45AM Mar 28, 2024Observed: 5450 cfs at 2:00AM Mar 28, 2024Observed: 5410 cfs at 2:15AM Mar 28, 2024Observed: 5420 cfs at 2:30AM Mar 28, 2024Observed: 5450 cfs at 2:45AM Mar 28, 2024Observed: 5430 cfs at 3:00AM Mar 28, 2024Observed: 5450 cfs at 3:15AM Mar 28, 2024Observed: 5450 cfs at 3:30AM Mar 28, 2024Observed: 5420 cfs at 3:45AM Mar 28, 2024Observed: 5500 cfs at 4:00AM Mar 28, 2024Observed: 5560 cfs at 4:15AM Mar 28, 2024Observed: 5550 cfs at 4:30AM Mar 28, 2024Observed: 5530 cfs at 4:45AM Mar 28, 2024Observed: 5530 cfs at 5:00AM Mar 28, 2024Observed: 5450 cfs at 5:15AM Mar 28, 2024Observed: 5450 cfs at 5:30AM Mar 28, 2024Observed: 5450 cfs at 5:45AM Mar 28, 2024Observed: 5420 cfs at 6:00AM Mar 28, 2024Observed: 5440 cfs at 6:15AM Mar 28, 2024Observed: 5440 cfs at 6:30AM Mar 28, 2024Observed: 5430 cfs at 6:45AM Mar 28, 2024Observed: 5420 cfs at 7:00AM Mar 28, 2024Observed: 5420 cfs at 7:15AM Mar 28, 2024Observed: 5410 cfs at 7:30AM Mar 28, 2024Observed: 5420 cfs at 7:45AM Mar 28, 2024Observed: 5470 cfs at 8:00AM Mar 28, 2024Observed: 5430 cfs at 8:15AM Mar 28, 2024Observed: 5480 cfs at 8:30AM Mar 28, 2024Observed: 5450 cfs at 8:45AM Mar 28, 2024Observed: 5480 cfs at 9:00AM Mar 28, 2024Observed: 5470 cfs at 9:15AM Mar 28, 2024Observed: 5390 cfs at 9:30AM Mar 28, 2024Observed: 5470 cfs at 9:45AM Mar 28, 2024Observed: 5430 cfs at 10:00AM Mar 28, 2024Observed: 5480 cfs at 10:15AM Mar 28, 2024Observed: 5500 cfs at 10:30AM Mar 28, 2024Observed: 5510 cfs at 10:45AM Mar 28, 2024Observed: 5510 cfs at 11:00AM Mar 28, 2024Observed: 5370 cfs at 11:15AM Mar 28, 2024Observed: 5320 cfs at 11:30AM Mar 28, 2024Observed: 5340 cfs at 11:45AM Mar 28, 2024Observed: 5370 cfs at 12:00PM Mar 28, 2024Observed: 5450 cfs at 12:15PM Mar 28, 2024Observed: 5470 cfs at 12:30PM Mar 28, 2024Observed: 5430 cfs at 12:45PM Mar 28, 2024Observed: 5390 cfs at 1:00PM Mar 28, 2024Observed: 5410 cfs at 1:15PM Mar 28, 2024Observed: 5370 cfs at 1:30PM Mar 28, 2024Observed: 5380 cfs at 1:45PM Mar 28, 2024Observed: 5340 cfs at 2:00PM Mar 28, 2024Observed: 5360 cfs at 2:15PM Mar 28, 2024Observed: 5420 cfs at 2:30PM Mar 28, 2024Observed: 5380 cfs at 2:45PM Mar 28, 2024Observed: 5360 cfs at 3:00PM Mar 28, 2024Observed: 5340 cfs at 3:15PM Mar 28, 2024Observed: 5370 cfs at 3:30PM Mar 28, 2024Observed: 5300 cfs at 3:45PM Mar 28, 2024Observed: 5360 cfs at 4:00PM Mar 28, 2024Observed: 5420 cfs at 4:15PM Mar 28, 2024Observed: 5370 cfs at 4:30PM Mar 28, 2024Observed: 5320 cfs at 4:45PM Mar 28, 2024Observed: 5360 cfs at 5:00PM Mar 28, 2024Observed: 5370 cfs at 5:15PM Mar 28, 2024Observed: 5390 cfs at 5:30PM Mar 28, 2024Observed: 5370 cfs at 5:45PM Mar 28, 2024Observed: 5310 cfs at 6:00PM Mar 28, 2024Observed: 5070 cfs at 6:15PM Mar 28, 2024Observed: 5060 cfs at 6:30PM Mar 28, 2024Observed: 5020 cfs at 6:45PM Mar 28, 2024Observed: 5080 cfs at 7:00PM Mar 28, 2024Observed: 5470 cfs at 7:15PM Mar 28, 2024Observed: 5480 cfs at 7:30PM Mar 28, 2024Observed: 5500 cfs at 7:45PM Mar 28, 2024Observed: 5420 cfs at 8:00PM Mar 28, 2024Observed: 5130 cfs at 8:15PM Mar 28, 2024Observed: 5130 cfs at 8:30PM Mar 28, 2024Observed: 5150 cfs at 8:45PM Mar 28, 2024Observed: 5170 cfs at 9:00PM Mar 28, 2024Observed: 5300 cfs at 9:15PM Mar 28, 2024Observed: 5330 cfs at 9:30PM Mar 28, 2024Observed: 5360 cfs at 9:45PM Mar 28, 2024Observed: 5330 cfs at 10:00PM Mar 28, 2024Observed: 5270 cfs at 10:15PM Mar 28, 2024Observed: 5300 cfs at 10:30PM Mar 28, 2024Observed: 5320 cfs at 10:45PM Mar 28, 2024Observed: 5300 cfs at 11:00PM Mar 28, 2024Observed: 5210 cfs at 11:15PM Mar 28, 2024Observed: 5150 cfs at 11:30PM Mar 28, 2024Observed: 5180 cfs at 11:45PM Mar 28, 2024Observed: 5220 cfs at 12:00AM Mar 29, 2024Observed: 5260 cfs at 12:15AM Mar 29, 2024Observed: 5310 cfs at 12:30AM Mar 29, 2024Observed: 5290 cfs at 12:45AM Mar 29, 2024Observed: 5310 cfs at 1:00AM Mar 29, 2024Observed: 5250 cfs at 1:15AM Mar 29, 2024Observed: 5250 cfs at 1:30AM Mar 29, 2024Observed: 5250 cfs at 1:45AM Mar 29, 2024Observed: 5220 cfs at 2:00AM Mar 29, 2024Observed: 5170 cfs at 2:15AM Mar 29, 2024Observed: 5150 cfs at 2:30AM Mar 29, 2024Observed: 5130 cfs at 2:45AM Mar 29, 2024Observed: 5180 cfs at 3:00AM Mar 29, 2024Observed: 5340 cfs at 3:15AM Mar 29, 2024Observed: 5340 cfs at 3:30AM Mar 29, 2024Observed: 5350 cfs at 3:45AM Mar 29, 2024Observed: 5300 cfs at 4:00AM Mar 29, 2024Observed: 5160 cfs at 4:15AM Mar 29, 2024Observed: 5200 cfs at 4:30AM Mar 29, 2024Observed: 5200 cfs at 4:45AM Mar 29, 2024Observed: 5210 cfs at 5:00AM Mar 29, 2024Observed: 5290 cfs at 5:15AM Mar 29, 2024Observed: 5270 cfs at 5:30AM Mar 29, 2024Forecast: 5490.58 cfs 11:00AM Mar 29, 2024Forecast: 5463.46 cfs 5:00PM Mar 29, 2024Forecast: 5375.32 cfs 11:00PM Mar 29, 2024Forecast: 5259.81 cfs 5:00AM Mar 30, 2024Forecast: 5139.62 cfs 11:00AM Mar 30, 2024Forecast: 5012.96 cfs 5:00PM Mar 30, 2024Forecast: 4882.2 cfs 11:00PM Mar 30, 2024Forecast: 4769.07 cfs 5:00AM Mar 31, 2024Forecast: 4678.64 cfs 11:00AM Mar 31, 2024Forecast: 4601.31 cfs 5:00PM Mar 31, 2024Forecast: 4544.37 cfs 11:00PM Mar 31, 2024Forecast: 4520.69 cfs 5:00AM Apr 01, 2024Forecast: 4511.61 cfs 11:00AM Apr 01, 2024Forecast: 4510.53 cfs 5:00PM Apr 01, 2024Forecast: 4534.17 cfs 11:00PM Apr 01, 2024Forecast: 4594.85 cfs 5:00AM Apr 02, 2024Forecast: 4679.49 cfs 11:00AM Apr 02, 2024Forecast: 4828.47 cfs 5:00PM Apr 02, 2024Forecast: 5033.44 cfs 11:00PM Apr 02, 2024Forecast: 5259.12 cfs 5:00AM Apr 03, 2024Forecast: 5510.57 cfs 11:00AM Apr 03, 2024Forecast: 5780.25 cfs 5:00PM Apr 03, 2024Forecast: 6045.74 cfs 11:00PM Apr 03, 2024Forecast: 6245.7 cfs 5:00AM Apr 04, 2024Highest Forecast: 6300.09 cfs 11:00AM Apr 04, 2024Forecast: 6211.92 cfs 5:00PM Apr 04, 2024Forecast: 6037.83 cfs 11:00PM Apr 04, 2024Forecast: 5814.44 cfs 5:00AM Apr 05, 2024USGS--Water Resources of the United StatesCOKW1(plotting QRIRG) Graph Created (5:51AM Mar 29, 2024)ObservedForecast (issued 2:24PM Mar 28)Latest observed value: 5270 cfs at 5:30 AM PDT 29-Mar-2024.
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Tabular Data (UTC)
Tabular Data (PDT)
XML Data
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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
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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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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: 2-Nov-2020 7:27 PM
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