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Hydrograph River at a Glance Download
Ohio River at Cairo Stage (ft)Flow (kcfs)Highest Observation: 27.41 ft at 10:00AM May 04, 2015Observed: 27.29 ft at 11:00AM May 04, 2015Observed: 27.2 ft at 12:00PM May 04, 2015Observed: 27.1 ft at 1:00PM May 04, 2015Observed: 27.01 ft at 2:00PM May 04, 2015Observed: 26.89 ft at 3:00PM May 04, 2015Observed: 26.79 ft at 4:00PM May 04, 2015Observed: 26.68 ft at 5:00PM May 04, 2015Observed: 26.57 ft at 6:00PM May 04, 2015Observed: 26.46 ft at 7:00PM May 04, 2015Observed: 26.37 ft at 8:00PM May 04, 2015Observed: 26.29 ft at 9:00PM May 04, 2015Observed: 26.2 ft at 10:00PM May 04, 2015Observed: 26.12 ft at 11:00PM May 04, 2015Observed: 26.03 ft at 12:00AM May 05, 2015Observed: 25.95 ft at 1:00AM May 05, 2015Observed: 25.87 ft at 2:00AM May 05, 2015Observed: 25.79 ft at 3:00AM May 05, 2015Observed: 25.73 ft at 4:00AM May 05, 2015Highest Forecast: 25.5 ft 7:00AM May 05, 2015Forecast: 25.1 ft 1:00PM May 05, 2015Forecast: 24.6 ft 7:00PM May 05, 2015Forecast: 24.2 ft 1:00AM May 06, 2015Forecast: 23.8 ft 7:00AM May 06, 2015Forecast: 23.4 ft 1:00PM May 06, 2015Forecast: 23.1 ft 7:00PM May 06, 2015Forecast: 22.8 ft 1:00AM May 07, 2015Forecast: 22.4 ft 7:00AM May 07, 2015Forecast: 22.1 ft 1:00PM May 07, 2015Forecast: 21.8 ft 7:00PM May 07, 2015Forecast: 21.4 ft 1:00AM May 08, 2015Forecast: 21.1 ft 7:00AM May 08, 2015Forecast: 20.8 ft 1:00PM May 08, 2015Forecast: 20.4 ft 7:00PM May 08, 2015Forecast: 20.1 ft 1:00AM May 09, 2015Forecast: 19.7 ft 7:00AM May 09, 2015CIRI2(plotting HGIRG) Graph Created (5:01AM May 5, 2015)ObservedForecast (issued 7:50PM May 4)Latest observed value: 25.73 ft at 4:00 AM CDT 5-May-2015. Flood Stage is 40 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
NOTE: Forecasts for the Ohio River at Cairo are issued routinely year-round.
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Upstream Gauge - at Grand Chain Lock and Dam Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 53
Moderate Flood Stage: 47
Flood Stage: 40
Action Stage: 32
Low Stage (in feet): 0

Historic Crests
(1) 61.72 ft on 05/02/2011
(2) 59.50 ft on 02/03/1937
(3) 56.50 ft on 04/03/1975
(4) 56.40 ft on 04/20/1927
(5) 56.20 ft on 03/11/1997
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(P): Preliminary values subject to further review.

Recent Crests
(1) 42.80 ft on 04/09/2014
(2) 50.00 ft on 05/10/2013
(3) 61.72 ft on 05/02/2011
(4) 49.43 ft on 05/07/2010
(5) 51.06 ft on 05/13/2009
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -1.00 ft on 12/24/1871
(2) 0.30 ft on 12/30/1876
(3) 1.10 ft on 01/01/1877
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For more information on your flood risk go to

Zoom Level:16
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Gauge LocationGauge Map Marker
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.
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65 The river will reach the top of the protection at Mounds and Mound City.
64 The river will reach the top of the protection of Cairo.
59.5 This flood will exceed the highest stage on record.
56 U.S. Highway 51 near Wickliffe is flooded.
50 The first gate is closed at Cairo.
40 Minor flooding occurs affecting mainly agricultural bottomland and low lying areas.
32 Cairo begins pumping operations.
(1) Gage House
(2) Ohio River Downstream
(3) Confluence Looking Toward Cairo
(4) Confluence at Fort Defiance
(5) Confluence Looking Up Mississippi
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Latitude: 37.000000° N, Longitude: 89.162500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 40 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 270.47 ft 310.47 ft  
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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.
NWS Information
National Weather Service
Paducah Weather Forecast Office
8250 Highway 3520
West Paducah, KY 42086-6440
(270) 744-6440
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Page last modified: 12-Feb-2015 9:35 PM
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