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Hydrograph River at a Glance Download
North Canadian River near Harrah Stage (ft)Flow (kcfs)Observed: 3.25 ft at 4:30PM Sep 15, 2021Observed: 3.25 ft at 5:00PM Sep 15, 2021Observed: 3.25 ft at 5:30PM Sep 15, 2021Observed: 3.23 ft at 6:00PM Sep 15, 2021Observed: 3.22 ft at 6:30PM Sep 15, 2021Observed: 3.2 ft at 7:00PM Sep 15, 2021Observed: 3.18 ft at 7:30PM Sep 15, 2021Observed: 3.14 ft at 8:00PM Sep 15, 2021Observed: 3.1 ft at 8:30PM Sep 15, 2021Observed: 3.09 ft at 9:00PM Sep 15, 2021Observed: 3.11 ft at 9:30PM Sep 15, 2021Observed: 3.08 ft at 10:00PM Sep 15, 2021Observed: 3.06 ft at 10:30PM Sep 15, 2021Observed: 3.05 ft at 11:00PM Sep 15, 2021Observed: 3.05 ft at 11:30PM Sep 15, 2021Observed: 3.04 ft at 12:00AM Sep 16, 2021Observed: 3.04 ft at 12:30AM Sep 16, 2021Observed: 3.03 ft at 1:00AM Sep 16, 2021Observed: 3.03 ft at 1:30AM Sep 16, 2021Observed: 3.02 ft at 2:00AM Sep 16, 2021Observed: 3.04 ft at 2:30AM Sep 16, 2021Observed: 3.06 ft at 3:00AM Sep 16, 2021Observed: 3.09 ft at 3:30AM Sep 16, 2021Observed: 3.12 ft at 4:00AM Sep 16, 2021Observed: 3.14 ft at 4:30AM Sep 16, 2021Observed: 3.16 ft at 5:00AM Sep 16, 2021Observed: 3.18 ft at 5:30AM Sep 16, 2021Observed: 3.19 ft at 6:00AM Sep 16, 2021Observed: 3.22 ft at 6:30AM Sep 16, 2021Observed: 3.22 ft at 7:00AM Sep 16, 2021Observed: 3.23 ft at 7:30AM Sep 16, 2021Observed: 3.21 ft at 8:00AM Sep 16, 2021Observed: 3.2 ft at 8:30AM Sep 16, 2021Observed: 3.16 ft at 9:00AM Sep 16, 2021Observed: 3.18 ft at 9:30AM Sep 16, 2021Observed: 3.19 ft at 10:00AM Sep 16, 2021Observed: 3.2 ft at 10:30AM Sep 16, 2021Observed: 3.21 ft at 11:00AM Sep 16, 2021Observed: 3.22 ft at 11:30AM Sep 16, 2021Observed: 3.21 ft at 12:00PM Sep 16, 2021Observed: 3.22 ft at 12:30PM Sep 16, 2021Observed: 3.22 ft at 1:00PM Sep 16, 2021Observed: 3.22 ft at 1:30PM Sep 16, 2021Observed: 3.27 ft at 2:00PM Sep 16, 2021Observed: 3.29 ft at 2:30PM Sep 16, 2021Observed: 3.29 ft at 3:00PM Sep 16, 2021Observed: 3.3 ft at 3:30PM Sep 16, 2021Observed: 3.31 ft at 4:00PM Sep 16, 2021Observed: 3.3 ft at 4:30PM Sep 16, 2021Observed: 3.3 ft at 5:00PM Sep 16, 2021Observed: 3.29 ft at 5:30PM Sep 16, 2021Observed: 3.27 ft at 6:00PM Sep 16, 2021Observed: 3.27 ft at 6:30PM Sep 16, 2021Observed: 3.25 ft at 7:00PM Sep 16, 2021Observed: 3.24 ft at 7:30PM Sep 16, 2021Observed: 3.22 ft at 8:00PM Sep 16, 2021Observed: 3.21 ft at 8:30PM Sep 16, 2021Observed: 3.2 ft at 9:00PM Sep 16, 2021Observed: 3.23 ft at 9:30PM Sep 16, 2021Observed: 3.22 ft at 10:00PM Sep 16, 2021Observed: 3.23 ft at 10:30PM Sep 16, 2021Observed: 3.22 ft at 11:00PM Sep 16, 2021Observed: 3.22 ft at 11:30PM Sep 16, 2021Observed: 3.22 ft at 12:00AM Sep 17, 2021Observed: 3.22 ft at 12:30AM Sep 17, 2021Observed: 3.22 ft at 1:00AM Sep 17, 2021Observed: 3.23 ft at 1:30AM Sep 17, 2021Observed: 3.23 ft at 2:00AM Sep 17, 2021Observed: 3.24 ft at 2:30AM Sep 17, 2021Observed: 3.24 ft at 3:00AM Sep 17, 2021Observed: 3.26 ft at 3:30AM Sep 17, 2021Observed: 3.26 ft at 4:00AM Sep 17, 2021Observed: 3.28 ft at 4:30AM Sep 17, 2021Observed: 3.28 ft at 5:00AM Sep 17, 2021Observed: 3.3 ft at 5:30AM Sep 17, 2021Observed: 3.29 ft at 6:00AM Sep 17, 2021Observed: 3.31 ft at 6:30AM Sep 17, 2021Observed: 3.31 ft at 7:00AM Sep 17, 2021Observed: 3.31 ft at 7:30AM Sep 17, 2021Observed: 3.28 ft at 8:00AM Sep 17, 2021Observed: 3.27 ft at 8:30AM Sep 17, 2021Observed: 3.22 ft at 9:00AM Sep 17, 2021Observed: 3.22 ft at 9:30AM Sep 17, 2021Observed: 3.23 ft at 10:00AM Sep 17, 2021Observed: 3.23 ft at 10:30AM Sep 17, 2021Observed: 3.24 ft at 11:00AM Sep 17, 2021Observed: 3.24 ft at 12:30PM Sep 17, 2021Observed: 3.25 ft at 1:00PM Sep 17, 2021Observed: 3.24 ft at 1:30PM Sep 17, 2021Highest Observation: 3.32 ft at 2:00PM Sep 17, 2021Observed: 3.3 ft at 2:30PM Sep 17, 2021Observed: 3.29 ft at 3:00PM Sep 17, 2021Observed: 3.3 ft at 3:30PM Sep 17, 2021Observed: 3.3 ft at 4:00PM Sep 17, 2021Observed: 3.29 ft at 4:30PM Sep 17, 2021Observed: 3.29 ft at 5:00PM Sep 17, 2021Observed: 3.28 ft at 5:30PM Sep 17, 2021Observed: 3.28 ft at 6:00PM Sep 17, 2021Observed: 3.27 ft at 6:30PM Sep 17, 2021Observed: 3.26 ft at 7:00PM Sep 17, 2021Observed: 3.26 ft at 7:30PM Sep 17, 2021Observed: 3.24 ft at 8:00PM Sep 17, 2021Observed: 3.22 ft at 8:30PM Sep 17, 2021Observed: 3.2 ft at 9:00PM Sep 17, 2021Observed: 3.18 ft at 9:30PM Sep 17, 2021Observed: 3.21 ft at 10:00PM Sep 17, 2021Observed: 3.2 ft at 10:30PM Sep 17, 2021Observed: 3.2 ft at 11:00PM Sep 17, 2021Observed: 3.19 ft at 11:30PM Sep 17, 2021Observed: 3.19 ft at 12:00AM Sep 18, 2021Observed: 3.2 ft at 12:30AM Sep 18, 2021Observed: 3.2 ft at 1:00AM Sep 18, 2021Observed: 3.2 ft at 1:30AM Sep 18, 2021Observed: 3.2 ft at 2:00AM Sep 18, 2021Observed: 3.21 ft at 2:30AM Sep 18, 2021Observed: 3.22 ft at 3:00AM Sep 18, 2021Observed: 3.23 ft at 3:30AM Sep 18, 2021Observed: 3.23 ft at 4:00AM Sep 18, 2021Observed: 3.24 ft at 4:30AM Sep 18, 2021Observed: 3.25 ft at 5:00AM Sep 18, 2021Observed: 3.26 ft at 5:30AM Sep 18, 2021Observed: 3.27 ft at 6:00AM Sep 18, 2021Observed: 3.28 ft at 6:30AM Sep 18, 2021Observed: 3.29 ft at 7:00AM Sep 18, 2021Observed: 3.29 ft at 7:30AM Sep 18, 2021Observed: 3.28 ft at 8:00AM Sep 18, 2021Observed: 3.24 ft at 8:30AM Sep 18, 2021Observed: 3.19 ft at 9:00AM Sep 18, 2021Observed: 3.2 ft at 9:30AM Sep 18, 2021Observed: 3.21 ft at 10:00AM Sep 18, 2021Observed: 3.21 ft at 10:30AM Sep 18, 2021Observed: 3.21 ft at 11:00AM Sep 18, 2021Observed: 3.22 ft at 11:30AM Sep 18, 2021Observed: 3.22 ft at 12:00PM Sep 18, 2021Observed: 3.22 ft at 12:30PM Sep 18, 2021Observed: 3.22 ft at 1:00PM Sep 18, 2021Observed: 3.24 ft at 1:30PM Sep 18, 2021Observed: 3.28 ft at 2:00PM Sep 18, 2021Observed: 3.28 ft at 2:30PM Sep 18, 2021Observed: 3.28 ft at 3:00PM Sep 18, 2021Observed: 3.28 ft at 3:30PM Sep 18, 2021Observed: 3.27 ft at 4:00PM Sep 18, 2021Observed: 3.28 ft at 4:30PM Sep 18, 2021Observed: 3.26 ft at 5:00PM Sep 18, 2021Observed: 3.28 ft at 5:30PM Sep 18, 2021Observed: 3.27 ft at 6:00PM Sep 18, 2021Observed: 3.26 ft at 6:30PM Sep 18, 2021Observed: 3.26 ft at 7:00PM Sep 18, 2021Observed: 3.24 ft at 7:30PM Sep 18, 2021Observed: 3.23 ft at 8:00PM Sep 18, 2021Observed: 3.21 ft at 8:30PM Sep 18, 2021Observed: 3.19 ft at 9:00PM Sep 18, 2021Observed: 3.22 ft at 9:30PM Sep 18, 2021Observed: 3.21 ft at 10:00PM Sep 18, 2021Observed: 3.19 ft at 10:30PM Sep 18, 2021Observed: 3.17 ft at 11:00PM Sep 18, 2021Observed: 3.15 ft at 11:30PM Sep 18, 2021Observed: 3.14 ft at 12:00AM Sep 19, 2021Observed: 3.14 ft at 12:30AM Sep 19, 2021Observed: 3.13 ft at 1:00AM Sep 19, 2021Observed: 3.14 ft at 1:30AM Sep 19, 2021Observed: 3.15 ft at 2:00AM Sep 19, 2021Observed: 3.15 ft at 2:30AM Sep 19, 2021Observed: 3.16 ft at 3:00AM Sep 19, 2021Observed: 3.17 ft at 3:30AM Sep 19, 2021Observed: 3.17 ft at 4:00AM Sep 19, 2021Observed: 3.18 ft at 4:30AM Sep 19, 2021Observed: 3.18 ft at 5:00AM Sep 19, 2021Observed: 3.19 ft at 5:30AM Sep 19, 2021Observed: 3.2 ft at 6:00AM Sep 19, 2021Observed: 3.21 ft at 6:30AM Sep 19, 2021Observed: 3.22 ft at 7:00AM Sep 19, 2021Observed: 3.22 ft at 7:30AM Sep 19, 2021Observed: 3.21 ft at 8:00AM Sep 19, 2021Observed: 3.19 ft at 8:30AM Sep 19, 2021Observed: 3.16 ft at 9:00AM Sep 19, 2021Observed: 3.17 ft at 9:30AM Sep 19, 2021Observed: 3.18 ft at 10:00AM Sep 19, 2021Observed: 3.18 ft at 10:30AM Sep 19, 2021Observed: 3.19 ft at 11:00AM Sep 19, 2021Observed: 3.19 ft at 11:30AM Sep 19, 2021Observed: 3.2 ft at 12:00PM Sep 19, 2021Observed: 3.19 ft at 12:30PM Sep 19, 2021Observed: 3.19 ft at 1:00PM Sep 19, 2021Observed: 3.19 ft at 1:30PM Sep 19, 2021Observed: 3.27 ft at 2:00PM Sep 19, 2021Observed: 3.28 ft at 2:30PM Sep 19, 2021Observed: 3.26 ft at 3:00PM Sep 19, 2021Observed: 3.26 ft at 3:30PM Sep 19, 2021Observed: 3.25 ft at 4:00PM Sep 19, 2021Observed: 3.25 ft at 4:30PM Sep 19, 2021Observed: 3.24 ft at 5:00PM Sep 19, 2021Observed: 3.23 ft at 5:30PM Sep 19, 2021Observed: 3.22 ft at 6:00PM Sep 19, 2021Observed: 3.21 ft at 6:30PM Sep 19, 2021Observed: 3.2 ft at 7:00PM Sep 19, 2021Observed: 3.18 ft at 7:30PM Sep 19, 2021Observed: 3.16 ft at 8:00PM Sep 19, 2021Observed: 3.14 ft at 8:30PM Sep 19, 2021Observed: 3.13 ft at 9:00PM Sep 19, 2021Observed: 3.11 ft at 9:30PM Sep 19, 2021Observed: 3.11 ft at 10:00PM Sep 19, 2021Observed: 3.11 ft at 10:30PM Sep 19, 2021Observed: 3.1 ft at 11:00PM Sep 19, 2021Observed: 3.13 ft at 11:30PM Sep 19, 2021Observed: 3.13 ft at 12:00AM Sep 20, 2021Observed: 3.12 ft at 12:30AM Sep 20, 2021Observed: 3.11 ft at 1:00AM Sep 20, 2021Observed: 3.1 ft at 1:30AM Sep 20, 2021Observed: 3.11 ft at 2:00AM Sep 20, 2021Observed: 3.11 ft at 2:30AM Sep 20, 2021Observed: 3.11 ft at 3:00AM Sep 20, 2021Observed: 3.13 ft at 3:30AM Sep 20, 2021Observed: 3.16 ft at 4:00AM Sep 20, 2021Observed: 3.18 ft at 4:30AM Sep 20, 2021Observed: 3.19 ft at 5:00AM Sep 20, 2021Observed: 3.2 ft at 5:30AM Sep 20, 2021Observed: 3.21 ft at 6:00AM Sep 20, 2021Observed: 3.23 ft at 6:30AM Sep 20, 2021Observed: 3.21 ft at 7:00AM Sep 20, 2021Observed: 3.24 ft at 7:30AM Sep 20, 2021Observed: 3.24 ft at 8:00AM Sep 20, 2021Observed: 3.24 ft at 8:30AM Sep 20, 2021Observed: 3.23 ft at 9:00AM Sep 20, 2021Observed: 3.18 ft at 9:30AM Sep 20, 2021Observed: 3.19 ft at 10:00AM Sep 20, 2021Observed: 3.2 ft at 10:30AM Sep 20, 2021Observed: 3.2 ft at 11:00AM Sep 20, 2021Observed: 3.21 ft at 11:30AM Sep 20, 2021Observed: 3.22 ft at 12:00PM Sep 20, 2021Observed: 3.29 ft at 12:30PM Sep 20, 2021Observed: 3.29 ft at 1:00PM Sep 20, 2021Observed: 3.28 ft at 1:30PM Sep 20, 2021Observed: 3.31 ft at 2:00PM Sep 20, 2021Observed: 3.31 ft at 2:30PM Sep 20, 2021Highest Observation: 3.32 ft at 3:00PM Sep 20, 2021USGS--Water Resources of the United StatesHRHO2(plotting HGIRG) Graph Created (4:01PM Sep 20, 2021)ObservedLatest observed value: 3.32 ft at 3:00 PM CDT 20-Sep-2021. Flood Stage is 14 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the North Canadian River near Harrah are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Britton Road at Oklahoma City Upstream Gauge Downstream Gauge Downstream Gauge - near Shawnee
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 16
Flood Stage: 14
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 21.90 ft on 05/09/1993
(2) 21.02 ft on 06/01/2013
(3) 19.60 ft on 05/29/1987
(4) 19.30 ft on 06/10/1995
(5) 19.20 ft on 08/23/2007
(6) 19.07 ft on 06/14/1989
(7) 18.94 ft on 06/15/2010
(8) 18.94 ft on 10/21/1983
(9) 18.32 ft on 05/21/2019
(10) 18.15 ft on 06/30/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.66 ft on 09/01/2020 (P)
(2) 11.06 ft on 07/28/2020 (P)
(3) 13.97 ft on 03/19/2020
(4) 11.41 ft on 08/27/2019
(5) 12.30 ft on 06/09/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
24 Look for flood depths up 2 feet at the edge of Harrah. Very severe flooding affects agricultural areas in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
23 Look for flood depths up 1 foot at the edge of Harrah. Very severe flooding affects agricultural areas in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
22 Look for minor depths of flooding at the edge of Harrah. Very severe flooding affects agricultural areas in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
21 Very severe flooding affects agricultural areas in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
20 Very severe flooding affects agricultural areas in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
19 Significant flooding affects agricultural areas and rural roads in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
18 Significant flooding affects agricultural areas and rural roads in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
17 Significant flooding affects agricultural areas and rural roads in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
16 Flooding affects agricultural areas and rural roads in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
15 Look for short duration flooding of low-lying agricultural lands and rural roads in eastern Oklahoma County... the southwest corner of lincoln... and northwestern Pottawatomie County.
14 Look for short duration flooding of low-lying agricultural lands in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
13 Near bankfull stages occur along the river in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
12 Shallow flooding of low-lying areas along the river occurs in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
11 Shallow flooding of low-lying areas along the river may occur in eastern Oklahoma County... the southwest corner of Lincoln County... and northwestern Pottawatomie County.
About This Location Collapse

Latitude: 35.500341° N, Longitude: 97.193919° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 14 ft 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 1055.69 1069.69 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
National Weather Service
Norman Weather Forecast Office
National Weather Center
120 David L. Boren Blvd.
Suite 2400
Norman, OK 73072
(405) 325-3816
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