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Hydrograph River at a Glance Download
Unnamed Tributary at Greenbelt Stage (ft)Highest Observation: 0.58 ft at 10:00PM Jan 23, 2022Observed: 0.5 ft at 8:55AM Jan 24, 2022Observed: 0.54 ft at 10:00PM Jan 24, 2022Observed: 0.46 ft at 1:15PM Jan 25, 2022Observed: 0.54 ft at 6:15PM Jan 25, 2022Observed: 0.54 ft at 10:00PM Jan 25, 2022Observed: 0.5 ft at 10:00AM Jan 26, 2022Observed: 0.42 ft at 9:05PM Jan 26, 2022Observed: 0.34 ft at 9:10PM Jan 26, 2022Observed: 0.26 ft at 9:25PM Jan 26, 2022Observed: 0.18 ft at 9:50PM Jan 26, 2022Observed: 0.18 ft at 10:00PM Jan 26, 2022Observed: 0.02 ft at 3:30AM Jan 27, 2022Observed: 0.38 ft at 8:35AM Jan 27, 2022Observed: 0.5 ft at 8:40AM Jan 27, 2022Observed: 0.46 ft at 10:00AM Jan 27, 2022Observed: 0.54 ft at 6:35PM Jan 27, 2022Observed: 0.5 ft at 10:00PM Jan 27, 2022Observed: 0.5 ft at 10:00AM Jan 28, 2022GRNM2(plotting HGIRR) Graph Created (9:10PM Jan 28, 2022)ObservedLatest observed value: 0.5 ft at 10:00 AM EST 28-Jan-2022.
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Tabular Data (UTC)
Tabular Data (EST)
XML Data
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Datum: Not Available
NOTE: Stage may be affected by ice.

NOTE: Forecasts are not available for the Unnamed Tributary at Greenbelt. Only observed stages are available for this point.

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Flood Categories (in feet)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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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Latitude: 38.989722° N, Longitude: 76.846111° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available  
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available  
NGVD 29 Not Available Not Available  
MSL Not Available Not Available  
Other Not Available Not Available  
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(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 2-Nov-2020 7:30 PM
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