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Hydrograph River at a Glance Download
Colorado River (TX) near Ira 4SW...below J. B. Thomas Stage (ft)Flow (kcfs)Observed: 4.11 ft at 8:45AM Aug 04, 2020Observed: 4.09 ft at 9:00AM Aug 04, 2020Observed: 4.09 ft at 9:15AM Aug 04, 2020Observed: 4.11 ft at 9:30AM Aug 04, 2020Observed: 4.11 ft at 9:45AM Aug 04, 2020Observed: 4.13 ft at 10:00AM Aug 04, 2020Observed: 4.12 ft at 10:15AM Aug 04, 2020Observed: 4.12 ft at 10:30AM Aug 04, 2020Observed: 4.1 ft at 10:45AM Aug 04, 2020Observed: 4.13 ft at 11:00AM Aug 04, 2020Observed: 4.09 ft at 11:15AM Aug 04, 2020Observed: 4.11 ft at 11:30AM Aug 04, 2020Observed: 4.09 ft at 11:45AM Aug 04, 2020Observed: 4.11 ft at 12:00PM Aug 04, 2020Observed: 4.11 ft at 12:15PM Aug 04, 2020Observed: 4.11 ft at 12:30PM Aug 04, 2020Observed: 4.13 ft at 12:45PM Aug 04, 2020Observed: 4.11 ft at 1:00PM Aug 04, 2020Observed: 4.14 ft at 1:15PM Aug 04, 2020Observed: 4.12 ft at 1:30PM Aug 04, 2020Observed: 4.13 ft at 1:45PM Aug 04, 2020Observed: 4.13 ft at 2:00PM Aug 04, 2020Observed: 4.13 ft at 2:15PM Aug 04, 2020Observed: 4.12 ft at 2:30PM Aug 04, 2020Observed: 4.14 ft at 2:45PM Aug 04, 2020Observed: 4.13 ft at 3:00PM Aug 04, 2020Observed: 4.13 ft at 3:15PM Aug 04, 2020Highest Observation: 4.15 ft at 3:30PM Aug 04, 2020Observed: 4.14 ft at 3:45PM Aug 04, 2020Highest Observation: 4.15 ft at 4:00PM Aug 04, 2020Observed: 4.14 ft at 4:15PM Aug 04, 2020Highest Observation: 4.15 ft at 4:30PM Aug 04, 2020Observed: 4.14 ft at 4:45PM Aug 04, 2020Observed: 4.13 ft at 5:00PM Aug 04, 2020Observed: 4.13 ft at 5:15PM Aug 04, 2020Observed: 4.12 ft at 5:30PM Aug 04, 2020Observed: 4.13 ft at 5:45PM Aug 04, 2020Observed: 3.92 ft at 6:00PM Aug 04, 2020Observed: 3.92 ft at 6:15PM Aug 04, 2020Observed: 3.93 ft at 6:30PM Aug 04, 2020Observed: 3.93 ft at 6:45PM Aug 04, 2020Observed: 3.94 ft at 7:00PM Aug 04, 2020Observed: 3.94 ft at 7:15PM Aug 04, 2020Observed: 3.94 ft at 7:30PM Aug 04, 2020Observed: 3.94 ft at 7:45PM Aug 04, 2020Observed: 3.94 ft at 8:00PM Aug 04, 2020Observed: 3.94 ft at 8:15PM Aug 04, 2020Observed: 3.93 ft at 8:30PM Aug 04, 2020Observed: 3.93 ft at 8:45PM Aug 04, 2020Observed: 3.93 ft at 9:00PM Aug 04, 2020Observed: 3.93 ft at 9:15PM Aug 04, 2020Observed: 3.93 ft at 9:30PM Aug 04, 2020Observed: 3.92 ft at 9:45PM Aug 04, 2020Observed: 3.92 ft at 10:00PM Aug 04, 2020Observed: 3.92 ft at 10:15PM Aug 04, 2020Observed: 3.92 ft at 10:30PM Aug 04, 2020Observed: 3.92 ft at 10:45PM Aug 04, 2020Observed: 3.92 ft at 11:00PM Aug 04, 2020Observed: 3.92 ft at 11:15PM Aug 04, 2020Observed: 3.92 ft at 11:30PM Aug 04, 2020Observed: 3.92 ft at 11:45PM Aug 04, 2020Observed: 3.92 ft at 12:00AM Aug 05, 2020Observed: 3.92 ft at 12:15AM Aug 05, 2020Observed: 3.92 ft at 12:30AM Aug 05, 2020Observed: 3.92 ft at 12:45AM Aug 05, 2020Observed: 3.92 ft at 1:00AM Aug 05, 2020Observed: 3.92 ft at 1:15AM Aug 05, 2020Observed: 3.92 ft at 1:30AM Aug 05, 2020Observed: 3.92 ft at 1:45AM Aug 05, 2020Observed: 3.92 ft at 2:00AM Aug 05, 2020Observed: 3.92 ft at 2:15AM Aug 05, 2020Observed: 3.92 ft at 2:30AM Aug 05, 2020Observed: 3.93 ft at 2:45AM Aug 05, 2020Observed: 3.93 ft at 3:00AM Aug 05, 2020Observed: 3.92 ft at 3:15AM Aug 05, 2020Observed: 3.91 ft at 3:30AM Aug 05, 2020Observed: 3.91 ft at 3:45AM Aug 05, 2020Observed: 3.92 ft at 4:00AM Aug 05, 2020Observed: 3.92 ft at 4:15AM Aug 05, 2020Observed: 3.93 ft at 4:30AM Aug 05, 2020Observed: 3.91 ft at 4:45AM Aug 05, 2020Observed: 3.91 ft at 5:00AM Aug 05, 2020Observed: 3.91 ft at 5:15AM Aug 05, 2020Observed: 3.91 ft at 5:30AM Aug 05, 2020Observed: 3.91 ft at 5:45AM Aug 05, 2020Observed: 3.92 ft at 6:00AM Aug 05, 2020Observed: 3.92 ft at 6:15AM Aug 05, 2020Observed: 3.9 ft at 6:30AM Aug 05, 2020Observed: 3.9 ft at 6:45AM Aug 05, 2020Observed: 3.9 ft at 7:00AM Aug 05, 2020Observed: 3.9 ft at 7:15AM Aug 05, 2020Observed: 3.9 ft at 7:30AM Aug 05, 2020Observed: 3.9 ft at 7:45AM Aug 05, 2020Observed: 3.9 ft at 8:00AM Aug 05, 2020Observed: 3.9 ft at 8:15AM Aug 05, 2020Observed: 3.9 ft at 8:30AM Aug 05, 2020Observed: 3.9 ft at 8:45AM Aug 05, 2020Observed: 3.9 ft at 9:00AM Aug 05, 2020Observed: 3.9 ft at 9:15AM Aug 05, 2020Observed: 3.9 ft at 9:30AM Aug 05, 2020Observed: 3.91 ft at 9:45AM Aug 05, 2020Observed: 3.9 ft at 10:00AM Aug 05, 2020Observed: 3.91 ft at 10:15AM Aug 05, 2020Observed: 3.91 ft at 10:30AM Aug 05, 2020Observed: 3.91 ft at 10:45AM Aug 05, 2020Observed: 3.91 ft at 11:00AM Aug 05, 2020Observed: 3.91 ft at 11:15AM Aug 05, 2020Observed: 3.91 ft at 11:30AM Aug 05, 2020Observed: 3.91 ft at 11:45AM Aug 05, 2020Observed: 3.91 ft at 12:00PM Aug 05, 2020Observed: 3.9 ft at 12:15PM Aug 05, 2020Observed: 3.9 ft at 12:30PM Aug 05, 2020Observed: 3.9 ft at 12:45PM Aug 05, 2020Observed: 3.9 ft at 1:00PM Aug 05, 2020Observed: 3.9 ft at 1:15PM Aug 05, 2020Observed: 3.9 ft at 1:30PM Aug 05, 2020Observed: 3.91 ft at 1:45PM Aug 05, 2020Observed: 3.9 ft at 2:00PM Aug 05, 2020Observed: 3.9 ft at 2:15PM Aug 05, 2020Observed: 3.9 ft at 2:30PM Aug 05, 2020Observed: 3.9 ft at 2:45PM Aug 05, 2020Observed: 3.9 ft at 3:00PM Aug 05, 2020Observed: 3.9 ft at 3:15PM Aug 05, 2020Observed: 3.9 ft at 3:30PM Aug 05, 2020Observed: 3.9 ft at 3:45PM Aug 05, 2020Observed: 3.9 ft at 4:00PM Aug 05, 2020Observed: 3.89 ft at 4:15PM Aug 05, 2020Observed: 3.9 ft at 4:30PM Aug 05, 2020Observed: 3.9 ft at 4:45PM Aug 05, 2020Observed: 3.9 ft at 5:00PM Aug 05, 2020Observed: 3.9 ft at 5:15PM Aug 05, 2020Observed: 3.89 ft at 5:30PM Aug 05, 2020Observed: 3.89 ft at 5:45PM Aug 05, 2020Observed: 3.89 ft at 6:00PM Aug 05, 2020Observed: 3.89 ft at 6:15PM Aug 05, 2020Observed: 3.88 ft at 6:30PM Aug 05, 2020Observed: 3.89 ft at 6:45PM Aug 05, 2020Observed: 3.89 ft at 7:00PM Aug 05, 2020Observed: 3.89 ft at 7:15PM Aug 05, 2020Observed: 3.89 ft at 7:30PM Aug 05, 2020Observed: 3.89 ft at 7:45PM Aug 05, 2020Observed: 3.89 ft at 8:00PM Aug 05, 2020Observed: 3.88 ft at 8:15PM Aug 05, 2020Observed: 3.87 ft at 8:30PM Aug 05, 2020Observed: 3.88 ft at 8:45PM Aug 05, 2020Observed: 3.88 ft at 9:00PM Aug 05, 2020Observed: 3.88 ft at 9:15PM Aug 05, 2020Observed: 3.88 ft at 9:30PM Aug 05, 2020Observed: 3.88 ft at 9:45PM Aug 05, 2020Observed: 3.87 ft at 10:00PM Aug 05, 2020Observed: 3.87 ft at 10:15PM Aug 05, 2020Observed: 3.87 ft at 10:30PM Aug 05, 2020Observed: 3.87 ft at 10:45PM Aug 05, 2020Observed: 3.87 ft at 11:00PM Aug 05, 2020Observed: 3.86 ft at 11:15PM Aug 05, 2020Observed: 3.88 ft at 11:30PM Aug 05, 2020Observed: 3.88 ft at 11:45PM Aug 05, 2020Observed: 3.88 ft at 12:00AM Aug 06, 2020Observed: 3.88 ft at 12:15AM Aug 06, 2020Observed: 3.87 ft at 12:30AM Aug 06, 2020Observed: 3.88 ft at 12:45AM Aug 06, 2020Observed: 3.88 ft at 1:00AM Aug 06, 2020Observed: 3.86 ft at 1:15AM Aug 06, 2020Observed: 3.86 ft at 1:30AM Aug 06, 2020Observed: 3.86 ft at 1:45AM Aug 06, 2020Observed: 3.86 ft at 2:00AM Aug 06, 2020Observed: 3.86 ft at 2:15AM Aug 06, 2020Observed: 3.88 ft at 2:30AM Aug 06, 2020Observed: 3.87 ft at 2:45AM Aug 06, 2020Observed: 3.87 ft at 3:00AM Aug 06, 2020Observed: 3.87 ft at 3:15AM Aug 06, 2020Observed: 3.87 ft at 3:30AM Aug 06, 2020Observed: 3.87 ft at 3:45AM Aug 06, 2020Observed: 3.86 ft at 4:00AM Aug 06, 2020Observed: 3.86 ft at 4:15AM Aug 06, 2020Observed: 3.87 ft at 4:30AM Aug 06, 2020Observed: 3.86 ft at 4:45AM Aug 06, 2020Observed: 3.86 ft at 5:00AM Aug 06, 2020Observed: 3.86 ft at 5:15AM Aug 06, 2020Observed: 3.86 ft at 5:30AM Aug 06, 2020Observed: 3.86 ft at 5:45AM Aug 06, 2020Observed: 3.86 ft at 6:00AM Aug 06, 2020Observed: 3.86 ft at 6:15AM Aug 06, 2020Observed: 3.86 ft at 6:30AM Aug 06, 2020Observed: 3.86 ft at 6:45AM Aug 06, 2020Observed: 3.86 ft at 7:00AM Aug 06, 2020Observed: 3.86 ft at 7:15AM Aug 06, 2020Observed: 3.86 ft at 7:30AM Aug 06, 2020Observed: 3.86 ft at 7:45AM Aug 06, 2020Observed: 3.86 ft at 8:00AM Aug 06, 2020Observed: 3.87 ft at 8:15AM Aug 06, 2020Observed: 3.87 ft at 8:30AM Aug 06, 2020Observed: 3.87 ft at 8:45AM Aug 06, 2020Observed: 3.88 ft at 9:00AM Aug 06, 2020Observed: 3.88 ft at 9:15AM Aug 06, 2020Observed: 3.88 ft at 9:30AM Aug 06, 2020Observed: 3.88 ft at 9:45AM Aug 06, 2020Observed: 3.88 ft at 10:00AM Aug 06, 2020Observed: 3.88 ft at 10:15AM Aug 06, 2020Observed: 3.88 ft at 10:30AM Aug 06, 2020Observed: 3.88 ft at 10:45AM Aug 06, 2020Observed: 3.88 ft at 11:00AM Aug 06, 2020Observed: 3.88 ft at 11:15AM Aug 06, 2020Observed: 3.88 ft at 11:30AM Aug 06, 2020Observed: 3.87 ft at 11:45AM Aug 06, 2020Observed: 3.87 ft at 12:00PM Aug 06, 2020Observed: 3.88 ft at 12:15PM Aug 06, 2020Observed: 3.88 ft at 12:30PM Aug 06, 2020Observed: 3.88 ft at 12:45PM Aug 06, 2020Observed: 3.87 ft at 1:00PM Aug 06, 2020Observed: 3.87 ft at 1:15PM Aug 06, 2020Observed: 3.87 ft at 1:30PM Aug 06, 2020Observed: 3.87 ft at 1:45PM Aug 06, 2020Observed: 3.88 ft at 2:00PM Aug 06, 2020Observed: 3.87 ft at 2:15PM Aug 06, 2020Observed: 3.87 ft at 2:30PM Aug 06, 2020Observed: 3.87 ft at 2:45PM Aug 06, 2020Observed: 3.87 ft at 3:00PM Aug 06, 2020Observed: 3.87 ft at 3:15PM Aug 06, 2020Observed: 3.87 ft at 3:30PM Aug 06, 2020Observed: 3.86 ft at 3:45PM Aug 06, 2020Observed: 3.86 ft at 4:00PM Aug 06, 2020Observed: 3.86 ft at 4:15PM Aug 06, 2020Observed: 3.87 ft at 4:30PM Aug 06, 2020Observed: 3.86 ft at 4:45PM Aug 06, 2020Observed: 3.86 ft at 5:00PM Aug 06, 2020Observed: 3.86 ft at 5:15PM Aug 06, 2020Observed: 3.86 ft at 5:30PM Aug 06, 2020Observed: 3.86 ft at 5:45PM Aug 06, 2020Observed: 3.86 ft at 6:00PM Aug 06, 2020Observed: 3.85 ft at 6:15PM Aug 06, 2020Observed: 3.86 ft at 6:30PM Aug 06, 2020Observed: 3.86 ft at 6:45PM Aug 06, 2020Observed: 3.84 ft at 7:00PM Aug 06, 2020Observed: 3.83 ft at 7:15PM Aug 06, 2020Observed: 3.83 ft at 7:30PM Aug 06, 2020Observed: 3.83 ft at 7:45PM Aug 06, 2020Observed: 3.83 ft at 8:00PM Aug 06, 2020Observed: 3.83 ft at 8:15PM Aug 06, 2020Observed: 3.83 ft at 8:30PM Aug 06, 2020Observed: 3.83 ft at 8:45PM Aug 06, 2020Observed: 3.83 ft at 9:00PM Aug 06, 2020Observed: 3.83 ft at 9:15PM Aug 06, 2020Observed: 3.83 ft at 9:30PM Aug 06, 2020Observed: 3.83 ft at 9:45PM Aug 06, 2020Observed: 3.82 ft at 10:00PM Aug 06, 2020Observed: 3.82 ft at 10:15PM Aug 06, 2020Observed: 3.88 ft at 10:30PM Aug 06, 2020Observed: 3.88 ft at 10:45PM Aug 06, 2020Observed: 3.87 ft at 11:00PM Aug 06, 2020Observed: 3.85 ft at 11:15PM Aug 06, 2020Observed: 3.86 ft at 11:30PM Aug 06, 2020Observed: 3.87 ft at 11:45PM Aug 06, 2020Observed: 3.87 ft at 12:00AM Aug 07, 2020Observed: 3.86 ft at 12:15AM Aug 07, 2020Observed: 3.86 ft at 12:30AM Aug 07, 2020Observed: 3.86 ft at 12:45AM Aug 07, 2020Observed: 3.85 ft at 1:00AM Aug 07, 2020Observed: 3.87 ft at 1:15AM Aug 07, 2020Observed: 3.86 ft at 1:30AM Aug 07, 2020Observed: 3.84 ft at 1:45AM Aug 07, 2020Observed: 3.87 ft at 2:00AM Aug 07, 2020Observed: 3.89 ft at 2:15AM Aug 07, 2020Observed: 3.85 ft at 2:30AM Aug 07, 2020Observed: 3.88 ft at 2:45AM Aug 07, 2020Observed: 3.93 ft at 3:00AM Aug 07, 2020Observed: 3.89 ft at 3:15AM Aug 07, 2020Observed: 3.9 ft at 3:30AM Aug 07, 2020Observed: 3.86 ft at 3:45AM Aug 07, 2020Observed: 3.85 ft at 4:00AM Aug 07, 2020Observed: 3.86 ft at 4:15AM Aug 07, 2020Observed: 3.89 ft at 4:30AM Aug 07, 2020Observed: 3.86 ft at 4:45AM Aug 07, 2020Observed: 3.86 ft at 5:00AM Aug 07, 2020Observed: 3.83 ft at 5:15AM Aug 07, 2020Observed: 3.88 ft at 5:30AM Aug 07, 2020Observed: 3.86 ft at 5:45AM Aug 07, 2020Observed: 3.88 ft at 6:00AM Aug 07, 2020Observed: 3.89 ft at 6:15AM Aug 07, 2020Observed: 3.88 ft at 6:30AM Aug 07, 2020Observed: 3.89 ft at 6:45AM Aug 07, 2020Observed: 3.9 ft at 7:00AM Aug 07, 2020Observed: 3.87 ft at 7:15AM Aug 07, 2020Observed: 3.9 ft at 7:30AM Aug 07, 2020Observed: 3.86 ft at 7:45AM Aug 07, 2020Observed: 3.87 ft at 8:00AM Aug 07, 2020USGS--Water Resources of the United StatesIRAT2(plotting HGIRG) Graph Created (8:30AM Aug 7, 2020)ObservedLatest observed value: 3.87 ft at 8:00 AM CDT 7-Aug-2020.
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts are not available for the Colorado River (TX) near Ira 4SW...below J. B. Thomas. Only observed stages are available for this point.

Vertical datum height surveyed by the USGS

Return to Area Map
Flood Categories (in feet)
Not Available

Historic Crests
(1) 32.00 ft on 06/16/1913
(2) 25.10 ft on 05/01/1947
(3) 24.70 ft on 06/20/1939
(4) 21.35 ft on 07/06/1948
(5) 16.39 ft on 08/14/1972

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.39 ft on 08/14/1972
(2) 21.35 ft on 07/06/1948
(3) 25.10 ft on 05/01/1947
(4) 24.70 ft on 06/20/1939
(5) 32.00 ft on 06/16/1913

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.30 ft on 10/14/1958
(2) 1.89 ft on 03/07/1961

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
37 State Highway 350 begins to flood.
32 Major flooding occurs along both banks. Considerable ranch and farm land flood. Cattle and equipment in the flood plain will be endangered.
23 the river reaches major flood stage, and the right bank begins to overflow. Major overbank flooding occurs along the left bank. Cattle are threatened and oil equipment may be submerged. No other flood threats are known.
20 the river reaches moderate flood stage, and the main channel begins to overflow, but only along the left bank. Moderate flooding of ranch and oil land begins. A sparse cattle population and some oil equipment may be threatened.
8 the river reaches minor flood stage, and the initial low water channel overflows. However, water remains within the main channel. No significant flood damage is expected.
About This Location Collapse

Latitude: 32.539167° N, Longitude: 101.055278° 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 2136.81 ft 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:
Resources Collapse
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
Midland/Odessa Weather Forecast Office
2500 Challenger Drive
Midland, TX 79706
(432) 563-5006
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