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Hydrograph River at a Glance Download
Green River (KY) near Mammoth Cave Stage (ft)Highest Observation: 10.71 ft at 8:00AM May 21, 2022Highest Observation: 10.71 ft at 8:15AM May 21, 2022Observed: 10.7 ft at 8:30AM May 21, 2022Observed: 10.69 ft at 8:45AM May 21, 2022Observed: 10.7 ft at 9:00AM May 21, 2022Observed: 10.69 ft at 9:15AM May 21, 2022Observed: 10.69 ft at 9:30AM May 21, 2022Observed: 10.68 ft at 9:45AM May 21, 2022Observed: 10.69 ft at 10:00AM May 21, 2022Observed: 10.68 ft at 10:15AM May 21, 2022Observed: 10.67 ft at 10:30AM May 21, 2022Observed: 10.66 ft at 10:45AM May 21, 2022Observed: 10.66 ft at 11:00AM May 21, 2022Observed: 10.66 ft at 11:15AM May 21, 2022Observed: 10.65 ft at 11:30AM May 21, 2022Observed: 10.66 ft at 11:45AM May 21, 2022Observed: 10.65 ft at 12:00PM May 21, 2022Observed: 10.65 ft at 12:15PM May 21, 2022Observed: 10.64 ft at 12:30PM May 21, 2022Observed: 10.64 ft at 12:45PM May 21, 2022Observed: 10.64 ft at 1:00PM May 21, 2022Observed: 10.62 ft at 1:15PM May 21, 2022Observed: 10.63 ft at 1:30PM May 21, 2022Observed: 10.62 ft at 1:45PM May 21, 2022Observed: 10.62 ft at 2:00PM May 21, 2022Observed: 10.62 ft at 2:15PM May 21, 2022Observed: 10.6 ft at 2:30PM May 21, 2022Observed: 10.61 ft at 2:45PM May 21, 2022Observed: 10.6 ft at 3:00PM May 21, 2022Observed: 10.6 ft at 3:15PM May 21, 2022Observed: 10.6 ft at 3:30PM May 21, 2022Observed: 10.59 ft at 3:45PM May 21, 2022Observed: 10.6 ft at 4:00PM May 21, 2022Observed: 10.59 ft at 4:15PM May 21, 2022Observed: 10.58 ft at 4:30PM May 21, 2022Observed: 10.6 ft at 4:45PM May 21, 2022Observed: 10.64 ft at 5:00PM May 21, 2022Observed: 10.64 ft at 5:15PM May 21, 2022Observed: 10.62 ft at 5:30PM May 21, 2022Observed: 10.62 ft at 5:45PM May 21, 2022Observed: 10.61 ft at 6:00PM May 21, 2022Observed: 10.61 ft at 6:15PM May 21, 2022Observed: 10.62 ft at 6:30PM May 21, 2022Observed: 10.62 ft at 6:45PM May 21, 2022Observed: 10.63 ft at 7:00PM May 21, 2022Observed: 10.62 ft at 7:15PM May 21, 2022Observed: 10.63 ft at 7:30PM May 21, 2022Observed: 10.62 ft at 7:45PM May 21, 2022Observed: 10.62 ft at 8:00PM May 21, 2022Observed: 10.61 ft at 8:15PM May 21, 2022Observed: 10.61 ft at 8:30PM May 21, 2022Observed: 10.6 ft at 8:45PM May 21, 2022Observed: 10.59 ft at 9:00PM May 21, 2022Observed: 10.59 ft at 9:15PM May 21, 2022Observed: 10.59 ft at 9:30PM May 21, 2022Observed: 10.59 ft at 9:45PM May 21, 2022Observed: 10.58 ft at 10:00PM May 21, 2022Observed: 10.58 ft at 10:15PM May 21, 2022Observed: 10.58 ft at 10:30PM May 21, 2022Observed: 10.57 ft at 10:45PM May 21, 2022Observed: 10.57 ft at 11:00PM May 21, 2022Observed: 10.56 ft at 11:15PM May 21, 2022Observed: 10.56 ft at 11:30PM May 21, 2022Observed: 10.56 ft at 11:45PM May 21, 2022Observed: 10.56 ft at 12:00AM May 22, 2022Observed: 10.55 ft at 12:15AM May 22, 2022Observed: 10.55 ft at 12:30AM May 22, 2022Observed: 10.55 ft at 12:45AM May 22, 2022Observed: 10.54 ft at 1:00AM May 22, 2022Observed: 10.54 ft at 1:15AM May 22, 2022Observed: 10.54 ft at 1:30AM May 22, 2022Observed: 10.54 ft at 1:45AM May 22, 2022Observed: 10.54 ft at 2:00AM May 22, 2022Observed: 10.54 ft at 2:15AM May 22, 2022Observed: 10.53 ft at 2:30AM May 22, 2022Observed: 10.53 ft at 2:45AM May 22, 2022Observed: 10.53 ft at 3:00AM May 22, 2022Observed: 10.52 ft at 3:15AM May 22, 2022Observed: 10.51 ft at 3:30AM May 22, 2022Observed: 10.52 ft at 3:45AM May 22, 2022Observed: 10.52 ft at 4:00AM May 22, 2022Observed: 10.52 ft at 4:15AM May 22, 2022Observed: 10.51 ft at 4:30AM May 22, 2022Observed: 10.51 ft at 4:45AM May 22, 2022Observed: 10.51 ft at 5:00AM May 22, 2022Observed: 10.5 ft at 5:15AM May 22, 2022Observed: 10.5 ft at 5:30AM May 22, 2022Observed: 10.5 ft at 5:45AM May 22, 2022Observed: 10.5 ft at 6:00AM May 22, 2022Observed: 10.49 ft at 6:15AM May 22, 2022Observed: 10.49 ft at 6:30AM May 22, 2022Observed: 10.49 ft at 6:45AM May 22, 2022Observed: 10.48 ft at 7:00AM May 22, 2022Observed: 10.48 ft at 7:15AM May 22, 2022Observed: 10.48 ft at 7:30AM May 22, 2022Observed: 10.48 ft at 7:45AM May 22, 2022Observed: 10.47 ft at 8:00AM May 22, 2022Observed: 10.47 ft at 8:15AM May 22, 2022Observed: 10.47 ft at 8:30AM May 22, 2022Observed: 10.47 ft at 8:45AM May 22, 2022Observed: 10.46 ft at 9:00AM May 22, 2022Observed: 10.46 ft at 9:15AM May 22, 2022Observed: 10.47 ft at 9:30AM May 22, 2022Observed: 10.46 ft at 9:45AM May 22, 2022Observed: 10.46 ft at 10:00AM May 22, 2022Observed: 10.47 ft at 10:15AM May 22, 2022Observed: 10.45 ft at 10:30AM May 22, 2022Observed: 10.45 ft at 10:45AM May 22, 2022Observed: 10.45 ft at 11:00AM May 22, 2022Observed: 10.45 ft at 11:15AM May 22, 2022Observed: 10.45 ft at 11:30AM May 22, 2022Observed: 10.45 ft at 11:45AM May 22, 2022Observed: 10.45 ft at 12:00PM May 22, 2022Observed: 10.46 ft at 12:15PM May 22, 2022Observed: 10.44 ft at 12:30PM May 22, 2022Observed: 10.44 ft at 12:45PM May 22, 2022Observed: 10.44 ft at 1:00PM May 22, 2022Observed: 10.44 ft at 1:15PM May 22, 2022Observed: 10.45 ft at 1:30PM May 22, 2022Observed: 10.44 ft at 1:45PM May 22, 2022Observed: 10.44 ft at 2:00PM May 22, 2022Observed: 10.44 ft at 2:15PM May 22, 2022Observed: 10.44 ft at 2:30PM May 22, 2022Observed: 10.43 ft at 2:45PM May 22, 2022Observed: 10.43 ft at 3:00PM May 22, 2022Observed: 10.43 ft at 3:15PM May 22, 2022Observed: 10.42 ft at 3:30PM May 22, 2022Observed: 10.42 ft at 3:45PM May 22, 2022Observed: 10.44 ft at 4:00PM May 22, 2022Observed: 10.42 ft at 4:15PM May 22, 2022Observed: 10.42 ft at 4:30PM May 22, 2022Observed: 10.43 ft at 4:45PM May 22, 2022Observed: 10.41 ft at 5:00PM May 22, 2022Observed: 10.41 ft at 5:15PM May 22, 2022Observed: 10.42 ft at 5:30PM May 22, 2022Observed: 10.41 ft at 5:45PM May 22, 2022Observed: 10.41 ft at 6:00PM May 22, 2022Observed: 10.41 ft at 6:15PM May 22, 2022Observed: 10.41 ft at 6:30PM May 22, 2022Observed: 10.41 ft at 6:45PM May 22, 2022Observed: 10.41 ft at 7:00PM May 22, 2022Observed: 10.41 ft at 7:15PM May 22, 2022Observed: 10.41 ft at 7:30PM May 22, 2022Observed: 10.41 ft at 7:45PM May 22, 2022Observed: 10.4 ft at 8:00PM May 22, 2022Observed: 10.41 ft at 8:15PM May 22, 2022Observed: 10.4 ft at 8:30PM May 22, 2022Observed: 10.4 ft at 8:45PM May 22, 2022Observed: 10.4 ft at 9:00PM May 22, 2022Observed: 10.4 ft at 9:15PM May 22, 2022Observed: 10.4 ft at 9:30PM May 22, 2022Observed: 10.4 ft at 9:45PM May 22, 2022Observed: 10.4 ft at 10:00PM May 22, 2022Observed: 10.39 ft at 10:15PM May 22, 2022Observed: 10.39 ft at 10:30PM May 22, 2022Observed: 10.39 ft at 10:45PM May 22, 2022Observed: 10.39 ft at 11:00PM May 22, 2022Observed: 10.39 ft at 11:15PM May 22, 2022Observed: 10.39 ft at 11:30PM May 22, 2022Observed: 10.39 ft at 11:45PM May 22, 2022Observed: 10.38 ft at 12:00AM May 23, 2022Observed: 10.39 ft at 12:15AM May 23, 2022Observed: 10.38 ft at 12:30AM May 23, 2022Observed: 10.39 ft at 12:45AM May 23, 2022Observed: 10.38 ft at 1:00AM May 23, 2022Observed: 10.39 ft at 1:15AM May 23, 2022Observed: 10.38 ft at 1:30AM May 23, 2022Observed: 10.38 ft at 1:45AM May 23, 2022Observed: 10.38 ft at 2:00AM May 23, 2022Observed: 10.38 ft at 2:15AM May 23, 2022Observed: 10.38 ft at 2:30AM May 23, 2022Observed: 10.38 ft at 2:45AM May 23, 2022Observed: 10.38 ft at 3:00AM May 23, 2022Observed: 10.38 ft at 3:15AM May 23, 2022Observed: 10.38 ft at 3:30AM May 23, 2022Observed: 10.38 ft at 3:45AM May 23, 2022Observed: 10.38 ft at 4:00AM May 23, 2022Observed: 10.38 ft at 4:15AM May 23, 2022Observed: 10.38 ft at 4:30AM May 23, 2022Observed: 10.38 ft at 4:45AM May 23, 2022Observed: 10.37 ft at 5:00AM May 23, 2022Observed: 10.38 ft at 5:15AM May 23, 2022Observed: 10.37 ft at 5:30AM May 23, 2022Observed: 10.37 ft at 5:45AM May 23, 2022Observed: 10.37 ft at 6:00AM May 23, 2022Observed: 10.38 ft at 6:15AM May 23, 2022Observed: 10.37 ft at 6:30AM May 23, 2022Observed: 10.37 ft at 6:45AM May 23, 2022Observed: 10.37 ft at 7:00AM May 23, 2022Observed: 10.39 ft at 7:15AM May 23, 2022Observed: 10.37 ft at 7:30AM May 23, 2022Observed: 10.38 ft at 7:45AM May 23, 2022Observed: 10.38 ft at 8:00AM May 23, 2022Observed: 10.37 ft at 8:15AM May 23, 2022Observed: 10.38 ft at 8:30AM May 23, 2022Observed: 10.37 ft at 8:45AM May 23, 2022Observed: 10.37 ft at 9:00AM May 23, 2022Observed: 10.37 ft at 9:15AM May 23, 2022Observed: 10.37 ft at 9:30AM May 23, 2022Observed: 10.38 ft at 9:45AM May 23, 2022Observed: 10.37 ft at 10:00AM May 23, 2022Observed: 10.37 ft at 10:15AM May 23, 2022Observed: 10.37 ft at 10:30AM May 23, 2022Observed: 10.36 ft at 10:45AM May 23, 2022Observed: 10.37 ft at 11:00AM May 23, 2022Observed: 10.37 ft at 11:15AM May 23, 2022Observed: 10.38 ft at 11:30AM May 23, 2022Observed: 10.37 ft at 11:45AM May 23, 2022Observed: 10.37 ft at 12:00PM May 23, 2022Observed: 10.37 ft at 12:15PM May 23, 2022Observed: 10.37 ft at 12:30PM May 23, 2022Observed: 10.37 ft at 12:45PM May 23, 2022Observed: 10.37 ft at 1:00PM May 23, 2022Observed: 10.37 ft at 1:15PM May 23, 2022Observed: 10.37 ft at 1:30PM May 23, 2022Observed: 10.38 ft at 1:45PM May 23, 2022Observed: 10.37 ft at 2:00PM May 23, 2022Observed: 10.39 ft at 2:15PM May 23, 2022Observed: 10.38 ft at 2:30PM May 23, 2022Observed: 10.38 ft at 2:45PM May 23, 2022Observed: 10.38 ft at 3:00PM May 23, 2022Observed: 10.37 ft at 3:15PM May 23, 2022Observed: 10.38 ft at 3:30PM May 23, 2022Observed: 10.39 ft at 3:45PM May 23, 2022Observed: 10.38 ft at 4:00PM May 23, 2022Observed: 10.38 ft at 4:15PM May 23, 2022Observed: 10.38 ft at 4:30PM May 23, 2022Observed: 10.38 ft at 4:45PM May 23, 2022Observed: 10.4 ft at 5:00PM May 23, 2022Observed: 10.39 ft at 5:15PM May 23, 2022Observed: 10.39 ft at 5:30PM May 23, 2022Observed: 10.39 ft at 5:45PM May 23, 2022Observed: 10.4 ft at 6:00PM May 23, 2022Observed: 10.4 ft at 6:15PM May 23, 2022Observed: 10.4 ft at 6:30PM May 23, 2022Observed: 10.4 ft at 6:45PM May 23, 2022Observed: 10.4 ft at 7:00PM May 23, 2022Observed: 10.4 ft at 7:15PM May 23, 2022Observed: 10.4 ft at 7:30PM May 23, 2022Observed: 10.41 ft at 7:45PM May 23, 2022Observed: 10.41 ft at 8:00PM May 23, 2022Observed: 10.42 ft at 8:15PM May 23, 2022Observed: 10.42 ft at 8:30PM May 23, 2022Observed: 10.41 ft at 8:45PM May 23, 2022Observed: 10.42 ft at 9:00PM May 23, 2022Observed: 10.42 ft at 9:15PM May 23, 2022Observed: 10.43 ft at 9:30PM May 23, 2022Observed: 10.43 ft at 9:45PM May 23, 2022Observed: 10.44 ft at 10:00PM May 23, 2022Observed: 10.44 ft at 10:15PM May 23, 2022Observed: 10.44 ft at 10:30PM May 23, 2022Observed: 10.44 ft at 10:45PM May 23, 2022Observed: 10.45 ft at 11:00PM May 23, 2022Observed: 10.45 ft at 11:15PM May 23, 2022Observed: 10.45 ft at 11:30PM May 23, 2022Observed: 10.45 ft at 11:45PM May 23, 2022Observed: 10.45 ft at 12:00AM May 24, 2022Observed: 10.46 ft at 12:15AM May 24, 2022Observed: 10.46 ft at 12:30AM May 24, 2022Observed: 10.47 ft at 12:45AM May 24, 2022Observed: 10.47 ft at 1:00AM May 24, 2022Observed: 10.47 ft at 1:15AM May 24, 2022Observed: 10.47 ft at 1:30AM May 24, 2022Observed: 10.47 ft at 1:45AM May 24, 2022Observed: 10.47 ft at 2:00AM May 24, 2022Observed: 10.48 ft at 2:15AM May 24, 2022Observed: 10.48 ft at 2:30AM May 24, 2022Observed: 10.48 ft at 2:45AM May 24, 2022Observed: 10.48 ft at 3:00AM May 24, 2022Observed: 10.48 ft at 3:15AM May 24, 2022Observed: 10.48 ft at 3:30AM May 24, 2022Observed: 10.48 ft at 3:45AM May 24, 2022Observed: 10.48 ft at 4:00AM May 24, 2022Observed: 10.48 ft at 4:15AM May 24, 2022Observed: 10.48 ft at 4:30AM May 24, 2022Observed: 10.49 ft at 4:45AM May 24, 2022Observed: 10.48 ft at 5:00AM May 24, 2022Observed: 10.49 ft at 5:15AM May 24, 2022Observed: 10.48 ft at 5:30AM May 24, 2022Observed: 10.48 ft at 5:45AM May 24, 2022Observed: 10.49 ft at 6:00AM May 24, 2022Observed: 10.49 ft at 6:15AM May 24, 2022Observed: 10.48 ft at 6:30AM May 24, 2022Observed: 10.49 ft at 6:45AM May 24, 2022Observed: 10.48 ft at 7:00AM May 24, 2022USGS--Water Resources of the United StatesMMCK2(plotting HGIRG) Graph Created (7:56AM May 24, 2022)ObservedLatest observed value: 10.48 ft at 7:00 AM CDT 24-May-2022.
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts are not available for the Green River (KY) near Mammoth Cave. Only observed stages are available for this point.

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Upstream Gauge - at Munfordville Upstream Gauge Downstream Gauge Downstream Gauge - near Brownsville
Flood Categories (in feet)
Not Available

Historic Crests
(1) 50.94 ft on 03/03/2021 (P)
(2) 48.00 ft on 01/24/1937
(3) 46.50 ft on 01/01/1913
(4) 42.60 ft on 01/01/1935
(5) 39.00 ft on 02/18/1949
(6) 38.00 ft on 01/09/1950
(7) 36.10 ft on 04/16/1948

(P): Preliminary values subject to further review.

Recent Crests
(1) 50.94 ft on 03/03/2021 (P)
(2) 38.00 ft on 01/09/1950
(3) 39.00 ft on 02/18/1949
(4) 36.10 ft on 04/16/1948
(5) 48.00 ft on 01/24/1937
(6) 42.60 ft on 01/01/1935
(7) 46.50 ft on 01/01/1913

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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.
About This Location Collapse

Latitude: 37.180000° N, Longitude: 86.112500° W, Horizontal Datum: NAD27

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 409.35 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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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
Louisville Weather Forecast Office
6201 Theiler Lane
Louisville, KY 40229
(502) 969-8842
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