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Hydrograph River at a Glance Download
Green River (KY) near Mammoth Cave Stage (ft)Observed: 10.25 ft at 8:15AM Jun 21, 2021Observed: 10.24 ft at 8:30AM Jun 21, 2021Observed: 10.24 ft at 8:45AM Jun 21, 2021Observed: 10.22 ft at 9:00AM Jun 21, 2021Observed: 10.19 ft at 10:15AM Jun 21, 2021Observed: 10.21 ft at 10:30AM Jun 21, 2021Observed: 10.18 ft at 10:45AM Jun 21, 2021Observed: 10.2 ft at 11:00AM Jun 21, 2021Observed: 10.17 ft at 11:15AM Jun 21, 2021Observed: 10.17 ft at 11:30AM Jun 21, 2021Observed: 10.16 ft at 11:45AM Jun 21, 2021Observed: 10.18 ft at 12:00PM Jun 21, 2021Observed: 10.16 ft at 12:15PM Jun 21, 2021Observed: 10.17 ft at 12:30PM Jun 21, 2021Observed: 10.16 ft at 12:45PM Jun 21, 2021Observed: 10.15 ft at 1:00PM Jun 21, 2021Observed: 10.16 ft at 1:15PM Jun 21, 2021Observed: 10.15 ft at 1:30PM Jun 21, 2021Observed: 10.15 ft at 1:45PM Jun 21, 2021Observed: 10.16 ft at 2:00PM Jun 21, 2021Observed: 10.16 ft at 2:15PM Jun 21, 2021Observed: 10.22 ft at 2:30PM Jun 21, 2021Observed: 10.29 ft at 2:45PM Jun 21, 2021Observed: 10.32 ft at 3:00PM Jun 21, 2021Observed: 10.36 ft at 3:15PM Jun 21, 2021Observed: 10.37 ft at 3:30PM Jun 21, 2021Observed: 10.41 ft at 3:45PM Jun 21, 2021Observed: 10.46 ft at 4:00PM Jun 21, 2021Observed: 10.55 ft at 4:15PM Jun 21, 2021Observed: 10.71 ft at 4:30PM Jun 21, 2021Observed: 10.89 ft at 4:45PM Jun 21, 2021Observed: 11.05 ft at 5:00PM Jun 21, 2021Observed: 11.23 ft at 5:15PM Jun 21, 2021Observed: 11.38 ft at 5:30PM Jun 21, 2021Observed: 11.55 ft at 5:45PM Jun 21, 2021Observed: 11.69 ft at 6:00PM Jun 21, 2021Observed: 11.86 ft at 6:15PM Jun 21, 2021Observed: 11.99 ft at 6:30PM Jun 21, 2021Observed: 12.11 ft at 6:45PM Jun 21, 2021Observed: 12.21 ft at 7:00PM Jun 21, 2021Observed: 12.3 ft at 7:15PM Jun 21, 2021Observed: 12.4 ft at 7:30PM Jun 21, 2021Observed: 12.47 ft at 7:45PM Jun 21, 2021Observed: 12.53 ft at 8:00PM Jun 21, 2021Observed: 12.57 ft at 8:15PM Jun 21, 2021Observed: 12.63 ft at 8:30PM Jun 21, 2021Observed: 12.67 ft at 8:45PM Jun 21, 2021Observed: 12.69 ft at 9:00PM Jun 21, 2021Observed: 12.73 ft at 9:15PM Jun 21, 2021Observed: 12.75 ft at 9:30PM Jun 21, 2021Observed: 12.78 ft at 9:45PM Jun 21, 2021Observed: 12.78 ft at 10:00PM Jun 21, 2021Observed: 12.81 ft at 10:15PM Jun 21, 2021Observed: 12.82 ft at 10:30PM Jun 21, 2021Observed: 12.84 ft at 10:45PM Jun 21, 2021Observed: 12.85 ft at 11:00PM Jun 21, 2021Observed: 12.87 ft at 11:15PM Jun 21, 2021Observed: 12.88 ft at 11:30PM Jun 21, 2021Observed: 12.89 ft at 11:45PM Jun 21, 2021Observed: 12.9 ft at 12:00AM Jun 22, 2021Observed: 12.92 ft at 12:15AM Jun 22, 2021Observed: 12.93 ft at 12:30AM Jun 22, 2021Observed: 12.94 ft at 12:45AM Jun 22, 2021Observed: 12.95 ft at 1:00AM Jun 22, 2021Observed: 12.97 ft at 1:15AM Jun 22, 2021Observed: 12.97 ft at 1:30AM Jun 22, 2021Observed: 12.99 ft at 1:45AM Jun 22, 2021Observed: 13.01 ft at 2:00AM Jun 22, 2021Observed: 13.02 ft at 2:15AM Jun 22, 2021Observed: 13.04 ft at 2:30AM Jun 22, 2021Observed: 13.04 ft at 2:45AM Jun 22, 2021Observed: 13.06 ft at 3:00AM Jun 22, 2021Observed: 13.07 ft at 3:15AM Jun 22, 2021Observed: 13.07 ft at 3:30AM Jun 22, 2021Observed: 13.09 ft at 3:45AM Jun 22, 2021Observed: 13.09 ft at 4:00AM Jun 22, 2021Highest Observation: 13.1 ft at 4:15AM Jun 22, 2021Observed: 13.09 ft at 4:30AM Jun 22, 2021Highest Observation: 13.1 ft at 4:45AM Jun 22, 2021Highest Observation: 13.1 ft at 5:00AM Jun 22, 2021Highest Observation: 13.1 ft at 5:15AM Jun 22, 2021Observed: 13.09 ft at 5:30AM Jun 22, 2021Observed: 13.09 ft at 5:45AM Jun 22, 2021Observed: 13.08 ft at 6:00AM Jun 22, 2021Observed: 13.08 ft at 6:15AM Jun 22, 2021Observed: 13.07 ft at 6:30AM Jun 22, 2021Observed: 13.05 ft at 6:45AM Jun 22, 2021Observed: 13.04 ft at 7:00AM Jun 22, 2021Observed: 13.02 ft at 7:15AM Jun 22, 2021Observed: 13.02 ft at 7:30AM Jun 22, 2021Observed: 13.01 ft at 7:45AM Jun 22, 2021Observed: 12.98 ft at 8:00AM Jun 22, 2021Observed: 12.98 ft at 8:15AM Jun 22, 2021Observed: 12.96 ft at 8:30AM Jun 22, 2021Observed: 12.95 ft at 8:45AM Jun 22, 2021Observed: 12.94 ft at 9:00AM Jun 22, 2021Observed: 12.94 ft at 9:15AM Jun 22, 2021Observed: 12.91 ft at 9:30AM Jun 22, 2021Observed: 12.9 ft at 9:45AM Jun 22, 2021Observed: 12.89 ft at 10:00AM Jun 22, 2021Observed: 12.89 ft at 10:15AM Jun 22, 2021Observed: 12.87 ft at 10:30AM Jun 22, 2021Observed: 12.87 ft at 10:45AM Jun 22, 2021Observed: 12.87 ft at 11:00AM Jun 22, 2021Observed: 12.85 ft at 11:15AM Jun 22, 2021Observed: 12.85 ft at 11:30AM Jun 22, 2021Observed: 12.84 ft at 11:45AM Jun 22, 2021Observed: 12.84 ft at 12:00PM Jun 22, 2021Observed: 12.84 ft at 12:15PM Jun 22, 2021Observed: 12.83 ft at 12:30PM Jun 22, 2021Observed: 12.83 ft at 12:45PM Jun 22, 2021Observed: 12.82 ft at 1:00PM Jun 22, 2021Observed: 12.83 ft at 1:15PM Jun 22, 2021Observed: 12.82 ft at 1:30PM Jun 22, 2021Observed: 12.81 ft at 1:45PM Jun 22, 2021Observed: 12.81 ft at 2:00PM Jun 22, 2021Observed: 12.81 ft at 2:15PM Jun 22, 2021Observed: 12.8 ft at 2:30PM Jun 22, 2021Observed: 12.8 ft at 2:45PM Jun 22, 2021Observed: 12.79 ft at 3:00PM Jun 22, 2021Observed: 12.79 ft at 3:15PM Jun 22, 2021Observed: 12.78 ft at 3:30PM Jun 22, 2021Observed: 12.78 ft at 3:45PM Jun 22, 2021Observed: 12.78 ft at 4:00PM Jun 22, 2021Observed: 12.77 ft at 4:15PM Jun 22, 2021Observed: 12.77 ft at 4:30PM Jun 22, 2021Observed: 12.76 ft at 4:45PM Jun 22, 2021Observed: 12.75 ft at 5:00PM Jun 22, 2021Observed: 12.74 ft at 5:15PM Jun 22, 2021Observed: 12.72 ft at 5:30PM Jun 22, 2021Observed: 12.73 ft at 5:45PM Jun 22, 2021Observed: 12.72 ft at 6:00PM Jun 22, 2021Observed: 12.56 ft at 6:45PM Jun 22, 2021Observed: 12.68 ft at 7:00PM Jun 22, 2021Observed: 12.62 ft at 8:00PM Jun 22, 2021Observed: 12.57 ft at 8:45PM Jun 22, 2021Observed: 12.57 ft at 9:00PM Jun 22, 2021Observed: 12.54 ft at 9:15PM Jun 22, 2021Observed: 12.53 ft at 9:30PM Jun 22, 2021Observed: 12.51 ft at 9:45PM Jun 22, 2021Observed: 12.49 ft at 10:00PM Jun 22, 2021Observed: 12.47 ft at 10:15PM Jun 22, 2021Observed: 12.45 ft at 10:30PM Jun 22, 2021Observed: 12.43 ft at 10:45PM Jun 22, 2021Observed: 12.41 ft at 11:00PM Jun 22, 2021Observed: 12.4 ft at 11:15PM Jun 22, 2021Observed: 12.38 ft at 11:30PM Jun 22, 2021Observed: 12.35 ft at 11:45PM Jun 22, 2021Observed: 12.34 ft at 12:00AM Jun 23, 2021Observed: 12.29 ft at 12:30AM Jun 23, 2021Observed: 12.27 ft at 12:45AM Jun 23, 2021Observed: 12.25 ft at 1:00AM Jun 23, 2021Observed: 12.23 ft at 1:15AM Jun 23, 2021Observed: 12.21 ft at 1:30AM Jun 23, 2021Observed: 12.19 ft at 1:45AM Jun 23, 2021Observed: 12.16 ft at 2:00AM Jun 23, 2021Observed: 12.13 ft at 2:15AM Jun 23, 2021Observed: 12.12 ft at 2:30AM Jun 23, 2021Observed: 12.09 ft at 2:45AM Jun 23, 2021Observed: 12.07 ft at 3:00AM Jun 23, 2021Observed: 12.05 ft at 3:15AM Jun 23, 2021Observed: 12.03 ft at 3:30AM Jun 23, 2021Observed: 12.01 ft at 3:45AM Jun 23, 2021Observed: 11.98 ft at 4:00AM Jun 23, 2021Observed: 11.96 ft at 4:15AM Jun 23, 2021Observed: 11.94 ft at 4:30AM Jun 23, 2021Observed: 11.92 ft at 4:45AM Jun 23, 2021Observed: 11.9 ft at 5:00AM Jun 23, 2021Observed: 11.87 ft at 5:15AM Jun 23, 2021Observed: 11.85 ft at 5:30AM Jun 23, 2021Observed: 11.82 ft at 5:45AM Jun 23, 2021Observed: 11.8 ft at 6:00AM Jun 23, 2021Observed: 11.78 ft at 6:15AM Jun 23, 2021Observed: 11.77 ft at 6:30AM Jun 23, 2021Observed: 11.75 ft at 6:45AM Jun 23, 2021Observed: 11.72 ft at 7:00AM Jun 23, 2021Observed: 11.7 ft at 7:15AM Jun 23, 2021Observed: 11.68 ft at 7:30AM Jun 23, 2021Observed: 11.68 ft at 7:45AM Jun 23, 2021Observed: 11.65 ft at 8:00AM Jun 23, 2021Observed: 11.64 ft at 8:15AM Jun 23, 2021Observed: 11.61 ft at 8:30AM Jun 23, 2021Observed: 11.62 ft at 8:45AM Jun 23, 2021Observed: 11.58 ft at 9:00AM Jun 23, 2021Observed: 11.56 ft at 9:15AM Jun 23, 2021Observed: 11.56 ft at 9:30AM Jun 23, 2021Observed: 11.54 ft at 9:45AM Jun 23, 2021Observed: 11.53 ft at 10:00AM Jun 23, 2021Observed: 11.52 ft at 10:15AM Jun 23, 2021Observed: 11.51 ft at 10:30AM Jun 23, 2021Observed: 11.5 ft at 10:45AM Jun 23, 2021Observed: 11.48 ft at 11:00AM Jun 23, 2021Observed: 11.48 ft at 11:15AM Jun 23, 2021Observed: 11.45 ft at 11:30AM Jun 23, 2021Observed: 11.46 ft at 11:45AM Jun 23, 2021Observed: 11.44 ft at 12:00PM Jun 23, 2021Observed: 11.42 ft at 12:15PM Jun 23, 2021Observed: 11.42 ft at 12:30PM Jun 23, 2021Observed: 11.43 ft at 12:45PM Jun 23, 2021Observed: 11.41 ft at 1:00PM Jun 23, 2021Observed: 11.4 ft at 1:15PM Jun 23, 2021Observed: 11.4 ft at 1:30PM Jun 23, 2021Observed: 11.4 ft at 1:45PM Jun 23, 2021Observed: 11.39 ft at 2:00PM Jun 23, 2021Observed: 11.38 ft at 2:15PM Jun 23, 2021Observed: 11.38 ft at 2:30PM Jun 23, 2021Observed: 11.37 ft at 2:45PM Jun 23, 2021Observed: 11.39 ft at 3:00PM Jun 23, 2021Observed: 11.38 ft at 3:15PM Jun 23, 2021Observed: 11.37 ft at 3:30PM Jun 23, 2021Observed: 11.36 ft at 3:45PM Jun 23, 2021Observed: 11.37 ft at 4:00PM Jun 23, 2021Observed: 11.35 ft at 4:15PM Jun 23, 2021Observed: 11.35 ft at 4:30PM Jun 23, 2021Observed: 11.37 ft at 4:45PM Jun 23, 2021Observed: 11.34 ft at 5:00PM Jun 23, 2021Observed: 11.33 ft at 5:15PM Jun 23, 2021Observed: 11.33 ft at 5:30PM Jun 23, 2021Observed: 11.33 ft at 5:45PM Jun 23, 2021Observed: 11.32 ft at 6:00PM Jun 23, 2021Observed: 11.32 ft at 6:15PM Jun 23, 2021Observed: 11.32 ft at 6:30PM Jun 23, 2021Observed: 11.3 ft at 6:45PM Jun 23, 2021Observed: 11.3 ft at 7:00PM Jun 23, 2021Observed: 11.31 ft at 7:15PM Jun 23, 2021Observed: 11.29 ft at 7:30PM Jun 23, 2021Observed: 11.28 ft at 7:45PM Jun 23, 2021Observed: 11.29 ft at 8:00PM Jun 23, 2021Observed: 11.27 ft at 8:15PM Jun 23, 2021Observed: 11.28 ft at 8:30PM Jun 23, 2021Observed: 11.26 ft at 8:45PM Jun 23, 2021Observed: 11.25 ft at 9:00PM Jun 23, 2021Observed: 11.25 ft at 9:15PM Jun 23, 2021Observed: 11.25 ft at 9:30PM Jun 23, 2021Observed: 11.22 ft at 9:45PM Jun 23, 2021Observed: 11.22 ft at 10:00PM Jun 23, 2021Observed: 11.21 ft at 10:15PM Jun 23, 2021Observed: 11.21 ft at 10:30PM Jun 23, 2021Observed: 11.19 ft at 10:45PM Jun 23, 2021Observed: 11.19 ft at 11:00PM Jun 23, 2021Observed: 11.18 ft at 11:15PM Jun 23, 2021Observed: 11.17 ft at 11:30PM Jun 23, 2021Observed: 11.16 ft at 11:45PM Jun 23, 2021Observed: 11.15 ft at 12:00AM Jun 24, 2021Observed: 11.14 ft at 12:15AM Jun 24, 2021Observed: 11.13 ft at 12:30AM Jun 24, 2021Observed: 11.12 ft at 12:45AM Jun 24, 2021Observed: 11.12 ft at 1:00AM Jun 24, 2021Observed: 11.11 ft at 1:15AM Jun 24, 2021Observed: 11.09 ft at 1:30AM Jun 24, 2021Observed: 11.09 ft at 1:45AM Jun 24, 2021Observed: 11.08 ft at 2:00AM Jun 24, 2021Observed: 11.07 ft at 2:15AM Jun 24, 2021Observed: 11.06 ft at 2:30AM Jun 24, 2021Observed: 11.05 ft at 2:45AM Jun 24, 2021Observed: 11.04 ft at 3:00AM Jun 24, 2021Observed: 11.02 ft at 3:45AM Jun 24, 2021Observed: 11 ft at 4:00AM Jun 24, 2021Observed: 11 ft at 4:15AM Jun 24, 2021Observed: 10.99 ft at 4:30AM Jun 24, 2021Observed: 10.98 ft at 4:45AM Jun 24, 2021Observed: 10.97 ft at 5:00AM Jun 24, 2021Observed: 10.97 ft at 5:15AM Jun 24, 2021Observed: 10.96 ft at 5:30AM Jun 24, 2021Observed: 10.95 ft at 5:45AM Jun 24, 2021Observed: 10.94 ft at 6:00AM Jun 24, 2021Observed: 10.93 ft at 6:15AM Jun 24, 2021Observed: 10.94 ft at 6:30AM Jun 24, 2021Observed: 10.93 ft at 6:45AM Jun 24, 2021Observed: 10.93 ft at 7:00AM Jun 24, 2021USGS--Water Resources of the United StatesMMCK2(plotting HGIRG) Graph Created (8:09AM Jun 24, 2021)ObservedLatest observed value: 10.93 ft at 7:00 AM CDT 24-Jun-2021.
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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 48 hours into the future from the forecast issuance time.

NOTE: Graphical forecasts are not available for the Green River (KY) near Mammoth Cave. During times of high water, forecast crest information can be found in the text products.

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Upstream Gauge - at Munfordville Upstream Gauge Downstream Gauge Downstream Gauge - near Brownsville
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
(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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 420.52 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
Louisville Weather Forecast Office
6201 Theiler Lane
Louisville, KY 40229
(502) 969-8842
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