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Hydrograph River at a Glance Download
Eastern Oklahoma Lakes at Newt Graham Lock and Dam 18 Pool (ft)Observed: 595.49 ft at 8:30PM Feb 20, 2021Observed: 594.44 ft at 9:00PM Feb 20, 2021Observed: 594.63 ft at 9:30PM Feb 20, 2021Observed: 595.54 ft at 10:00PM Feb 20, 2021Observed: 594.8 ft at 11:00PM Feb 20, 2021Observed: 595.26 ft at 11:30PM Feb 20, 2021Observed: 595.13 ft at 12:00AM Feb 21, 2021Observed: 594.75 ft at 12:30AM Feb 21, 2021Observed: 594.5 ft at 1:00AM Feb 21, 2021Observed: 595.09 ft at 1:30AM Feb 21, 2021Observed: 594.79 ft at 2:00AM Feb 21, 2021Observed: 595.19 ft at 2:30AM Feb 21, 2021Observed: 594.38 ft at 3:00AM Feb 21, 2021Observed: 594.36 ft at 3:30AM Feb 21, 2021Observed: 595.2 ft at 4:00AM Feb 21, 2021Observed: 594.19 ft at 4:30AM Feb 21, 2021Observed: 594.73 ft at 5:00AM Feb 21, 2021Observed: 594.59 ft at 5:30AM Feb 21, 2021Observed: 595.77 ft at 6:00AM Feb 21, 2021Observed: 594.87 ft at 6:30AM Feb 21, 2021Observed: 595.76 ft at 7:00AM Feb 21, 2021Observed: 594.8 ft at 7:30AM Feb 21, 2021Observed: 595.42 ft at 8:00AM Feb 21, 2021Observed: 594.58 ft at 8:30AM Feb 21, 2021Observed: 526.25 ft at 9:00AM Feb 21, 2021Highest Observation: 596.78 ft at 9:30AM Feb 21, 2021Observed: 595.25 ft at 10:00AM Feb 21, 2021Observed: 594.14 ft at 10:30AM Feb 21, 2021Observed: 594.52 ft at 11:00AM Feb 21, 2021Observed: 595.64 ft at 11:30AM Feb 21, 2021Observed: 594.55 ft at 12:00PM Feb 21, 2021Observed: 594.85 ft at 12:30PM Feb 21, 2021Observed: 595.64 ft at 1:00PM Feb 21, 2021Observed: 594.62 ft at 1:30PM Feb 21, 2021Observed: 594.85 ft at 2:00PM Feb 21, 2021Observed: 595.5 ft at 2:30PM Feb 21, 2021Observed: 594.58 ft at 3:00PM Feb 21, 2021Observed: 594.74 ft at 3:30PM Feb 21, 2021Observed: 595.48 ft at 4:00PM Feb 21, 2021Observed: 594.54 ft at 4:30PM Feb 21, 2021Observed: 594.77 ft at 5:00PM Feb 21, 2021Observed: 595.14 ft at 5:30PM Feb 21, 2021Observed: 594.26 ft at 6:00PM Feb 21, 2021Observed: 594.76 ft at 6:30PM Feb 21, 2021Observed: 595.38 ft at 7:00PM Feb 21, 2021Observed: 594.59 ft at 7:30PM Feb 21, 2021Observed: 595.98 ft at 8:00PM Feb 21, 2021Observed: 595.77 ft at 8:30PM Feb 21, 2021Observed: 595.13 ft at 9:00PM Feb 21, 2021Observed: 595.04 ft at 9:30PM Feb 21, 2021Observed: 595.53 ft at 10:00PM Feb 21, 2021Observed: 595.15 ft at 10:30PM Feb 21, 2021Observed: 595.48 ft at 11:00PM Feb 21, 2021Observed: 595.87 ft at 11:30PM Feb 21, 2021Observed: 595.05 ft at 12:00AM Feb 22, 2021Observed: 594.27 ft at 12:30AM Feb 22, 2021Observed: 594.78 ft at 1:00AM Feb 22, 2021Observed: 595.4 ft at 1:30AM Feb 22, 2021Observed: 594.53 ft at 2:00AM Feb 22, 2021Observed: 595.01 ft at 2:30AM Feb 22, 2021Observed: 595.49 ft at 3:00AM Feb 22, 2021Observed: 594.49 ft at 3:30AM Feb 22, 2021Observed: 594.71 ft at 4:00AM Feb 22, 2021Observed: 595.67 ft at 4:30AM Feb 22, 2021Observed: 594.61 ft at 5:00AM Feb 22, 2021Observed: 594.72 ft at 5:30AM Feb 22, 2021Observed: 595.51 ft at 6:00AM Feb 22, 2021Observed: 594.61 ft at 6:30AM Feb 22, 2021Observed: 594.88 ft at 7:00AM Feb 22, 2021Observed: 595.46 ft at 7:30AM Feb 22, 2021Observed: 594.66 ft at 8:00AM Feb 22, 2021Observed: 594.84 ft at 8:30AM Feb 22, 2021Observed: 595.53 ft at 9:00AM Feb 22, 2021Observed: 594.71 ft at 9:30AM Feb 22, 2021Observed: 595.46 ft at 10:00AM Feb 22, 2021Observed: 594.53 ft at 10:30AM Feb 22, 2021Observed: 595.01 ft at 11:00AM Feb 22, 2021Observed: 595.54 ft at 11:30AM Feb 22, 2021Observed: 594.53 ft at 12:00PM Feb 22, 2021Observed: 594.92 ft at 12:30PM Feb 22, 2021Observed: 595.54 ft at 1:00PM Feb 22, 2021Observed: 593.89 ft at 1:30PM Feb 22, 2021Observed: 594.63 ft at 2:00PM Feb 22, 2021Observed: 595.26 ft at 2:30PM Feb 22, 2021Observed: 588.45 ft at 3:00PM Feb 22, 2021Observed: 586.57 ft at 3:30PM Feb 22, 2021Observed: 568.77 ft at 4:00PM Feb 22, 2021Observed: 548.14 ft at 4:30PM Feb 22, 2021Observed: 536.58 ft at 5:00PM Feb 22, 2021Observed: 533.78 ft at 5:30PM Feb 22, 2021Observed: 533.09 ft at 6:00PM Feb 22, 2021Observed: 532.87 ft at 6:30PM Feb 22, 2021Observed: 532.86 ft at 7:00PM Feb 22, 2021Observed: 532.8 ft at 7:30PM Feb 22, 2021Observed: 532.78 ft at 8:00PM Feb 22, 2021Observed: 532.76 ft at 8:30PM Feb 22, 2021Observed: 532.77 ft at 9:00PM Feb 22, 2021Observed: 532.8 ft at 9:30PM Feb 22, 2021Observed: 532.83 ft at 10:00PM Feb 22, 2021Observed: 532.88 ft at 10:30PM Feb 22, 2021Observed: 532.94 ft at 11:00PM Feb 22, 2021Observed: 533 ft at 11:30PM Feb 22, 2021Observed: 533.05 ft at 12:00AM Feb 23, 2021Observed: 533.1 ft at 12:30AM Feb 23, 2021Observed: 533.16 ft at 1:00AM Feb 23, 2021Observed: 533.22 ft at 1:30AM Feb 23, 2021Observed: 533.28 ft at 2:00AM Feb 23, 2021Observed: 533.35 ft at 2:30AM Feb 23, 2021Observed: 533.41 ft at 3:00AM Feb 23, 2021Observed: 533.48 ft at 3:30AM Feb 23, 2021Observed: 533.55 ft at 4:00AM Feb 23, 2021Observed: 533.61 ft at 4:30AM Feb 23, 2021Observed: 533.81 ft at 5:00AM Feb 23, 2021Observed: 533.54 ft at 5:30AM Feb 23, 2021Observed: 533.63 ft at 6:00AM Feb 23, 2021Observed: 533.61 ft at 6:30AM Feb 23, 2021Observed: 533.63 ft at 7:00AM Feb 23, 2021Observed: 533.67 ft at 7:30AM Feb 23, 2021Observed: 533.68 ft at 8:00AM Feb 23, 2021Observed: 533.73 ft at 8:30AM Feb 23, 2021Observed: 533.45 ft at 9:00AM Feb 23, 2021Observed: 533.63 ft at 9:30AM Feb 23, 2021Observed: 533.19 ft at 10:00AM Feb 23, 2021Observed: 533.34 ft at 10:30AM Feb 23, 2021Observed: 533.26 ft at 11:00AM Feb 23, 2021Observed: 533.06 ft at 11:30AM Feb 23, 2021Observed: 533.01 ft at 12:00PM Feb 23, 2021Observed: 532.88 ft at 12:30PM Feb 23, 2021Observed: 532.79 ft at 1:00PM Feb 23, 2021Observed: 532.72 ft at 1:30PM Feb 23, 2021Observed: 532.65 ft at 2:00PM Feb 23, 2021Observed: 532.58 ft at 2:30PM Feb 23, 2021Observed: 532.5 ft at 3:00PM Feb 23, 2021Observed: 532.49 ft at 3:30PM Feb 23, 2021Observed: 532.43 ft at 4:00PM Feb 23, 2021Observed: 532.43 ft at 4:30PM Feb 23, 2021Observed: 532.39 ft at 5:00PM Feb 23, 2021Observed: 532.49 ft at 5:30PM Feb 23, 2021Observed: 532.31 ft at 6:00PM Feb 23, 2021Observed: 532.34 ft at 6:30PM Feb 23, 2021Observed: 532.33 ft at 7:00PM Feb 23, 2021Observed: 532.28 ft at 7:30PM Feb 23, 2021Observed: 532.39 ft at 8:00PM Feb 23, 2021Observed: 532.41 ft at 8:30PM Feb 23, 2021Observed: 532.25 ft at 9:00PM Feb 23, 2021Observed: 532.42 ft at 9:30PM Feb 23, 2021Observed: 532.45 ft at 10:00PM Feb 23, 2021Observed: 532.43 ft at 10:30PM Feb 23, 2021Observed: 532.5 ft at 11:00PM Feb 23, 2021Observed: 532.53 ft at 11:30PM Feb 23, 2021Observed: 532.58 ft at 12:00AM Feb 24, 2021Observed: 532.6 ft at 12:30AM Feb 24, 2021Observed: 532.6 ft at 1:00AM Feb 24, 2021Observed: 532.62 ft at 1:30AM Feb 24, 2021Observed: 532.63 ft at 2:00AM Feb 24, 2021Observed: 532.64 ft at 2:30AM Feb 24, 2021Observed: 532.62 ft at 3:00AM Feb 24, 2021Observed: 532.65 ft at 3:30AM Feb 24, 2021Observed: 532.64 ft at 4:00AM Feb 24, 2021Observed: 532.64 ft at 4:30AM Feb 24, 2021Observed: 532.64 ft at 5:00AM Feb 24, 2021Observed: 532.6 ft at 5:30AM Feb 24, 2021Observed: 532.57 ft at 6:00AM Feb 24, 2021Observed: 532.56 ft at 6:30AM Feb 24, 2021Observed: 532.55 ft at 7:00AM Feb 24, 2021Observed: 532.51 ft at 7:30AM Feb 24, 2021Observed: 532.52 ft at 8:00AM Feb 24, 2021Observed: 532.51 ft at 8:30AM Feb 24, 2021Observed: 532.48 ft at 9:00AM Feb 24, 2021Observed: 532.47 ft at 9:30AM Feb 24, 2021Observed: 532.42 ft at 10:00AM Feb 24, 2021Observed: 532.22 ft at 10:30AM Feb 24, 2021Observed: 532.32 ft at 11:00AM Feb 24, 2021Observed: 532.32 ft at 11:30AM Feb 24, 2021Observed: 532.31 ft at 12:00PM Feb 24, 2021Observed: 532.16 ft at 12:30PM Feb 24, 2021Observed: 532.27 ft at 1:00PM Feb 24, 2021Observed: 532.2 ft at 1:30PM Feb 24, 2021Observed: 532.2 ft at 2:00PM Feb 24, 2021Observed: 532.25 ft at 2:30PM Feb 24, 2021Observed: 532.25 ft at 3:00PM Feb 24, 2021Observed: 532.21 ft at 3:30PM Feb 24, 2021Observed: 532.22 ft at 4:00PM Feb 24, 2021Observed: 532.23 ft at 4:30PM Feb 24, 2021Observed: 532.3 ft at 5:00PM Feb 24, 2021Observed: 532.15 ft at 5:30PM Feb 24, 2021Observed: 532.33 ft at 6:00PM Feb 24, 2021Observed: 532.29 ft at 6:30PM Feb 24, 2021Observed: 532.36 ft at 7:00PM Feb 24, 2021Observed: 532.44 ft at 7:30PM Feb 24, 2021Observed: 532.43 ft at 8:00PM Feb 24, 2021Observed: 532.42 ft at 8:30PM Feb 24, 2021Observed: 532.42 ft at 9:00PM Feb 24, 2021Observed: 532.47 ft at 9:30PM Feb 24, 2021Observed: 532.51 ft at 10:00PM Feb 24, 2021Observed: 532.48 ft at 10:30PM Feb 24, 2021Observed: 532.5 ft at 11:00PM Feb 24, 2021Observed: 532.49 ft at 11:30PM Feb 24, 2021Observed: 532.51 ft at 12:00AM Feb 25, 2021Observed: 532.52 ft at 12:30AM Feb 25, 2021Observed: 532.52 ft at 1:00AM Feb 25, 2021Observed: 532.48 ft at 1:30AM Feb 25, 2021Observed: 532.49 ft at 2:00AM Feb 25, 2021Observed: 532.49 ft at 2:30AM Feb 25, 2021Observed: 532.48 ft at 3:00AM Feb 25, 2021Observed: 532.47 ft at 3:30AM Feb 25, 2021Observed: 532.48 ft at 4:00AM Feb 25, 2021Observed: 532.47 ft at 4:30AM Feb 25, 2021Observed: 532.46 ft at 5:00AM Feb 25, 2021Observed: 532.45 ft at 5:30AM Feb 25, 2021Observed: 532.44 ft at 6:00AM Feb 25, 2021Observed: 532.42 ft at 6:30AM Feb 25, 2021Observed: 532.42 ft at 7:00AM Feb 25, 2021Observed: 532.4 ft at 7:30AM Feb 25, 2021Observed: 532.38 ft at 8:00AM Feb 25, 2021Observed: 532.41 ft at 8:30AM Feb 25, 2021Observed: 532.38 ft at 9:00AM Feb 25, 2021Observed: 532.37 ft at 9:30AM Feb 25, 2021Observed: 532.44 ft at 10:00AM Feb 25, 2021Observed: 532.29 ft at 10:30AM Feb 25, 2021Observed: 532.36 ft at 11:00AM Feb 25, 2021Observed: 532.37 ft at 11:30AM Feb 25, 2021Observed: 532.22 ft at 12:00PM Feb 25, 2021Observed: 532.28 ft at 12:30PM Feb 25, 2021Observed: 532.21 ft at 1:00PM Feb 25, 2021Observed: 532.24 ft at 1:30PM Feb 25, 2021Observed: 532.2 ft at 2:00PM Feb 25, 2021Observed: 532.26 ft at 2:30PM Feb 25, 2021Observed: 532.21 ft at 3:00PM Feb 25, 2021Observed: 532.2 ft at 3:30PM Feb 25, 2021Observed: 531.87 ft at 4:00PM Feb 25, 2021Observed: 532.24 ft at 4:30PM Feb 25, 2021Observed: 532.32 ft at 5:00PM Feb 25, 2021Observed: 532.35 ft at 5:30PM Feb 25, 2021Observed: 532.45 ft at 6:00PM Feb 25, 2021Observed: 532.46 ft at 6:30PM Feb 25, 2021Observed: 532.52 ft at 7:00PM Feb 25, 2021Observed: 532.45 ft at 7:30PM Feb 25, 2021INLO2(plotting HPIRG) Graph Created (8:07PM Feb 25, 2021)ObservedLatest observed value: 532.45 ft at 7:30 PM CST 25-Feb-2021.
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Eastern Oklahoma Lakes at Newt Graham Lock and Dam 18. Only observed stages are available for this point.
Return to Area Map
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
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
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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: 36.058056° N, Longitude: 95.535000° 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.
NWS Information
National Weather Service
Tulsa Weather Forecast Office
10159 E. 11th St. Suite 300
Tulsa, OK 74128
(918) 838-7838
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