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Hydrograph River at a Glance Download
Hat Creek near Edgemont Stage (ft)Observed: 8.11 ft at 7:15AM May 29, 2020Observed: 8.11 ft at 7:30AM May 29, 2020Observed: 8.11 ft at 7:45AM May 29, 2020Observed: 8.11 ft at 8:00AM May 29, 2020Observed: 8.11 ft at 8:15AM May 29, 2020Observed: 8.11 ft at 8:30AM May 29, 2020Highest Observation: 8.12 ft at 8:45AM May 29, 2020Highest Observation: 8.12 ft at 9:00AM May 29, 2020Observed: 8.1 ft at 9:15AM May 29, 2020Observed: 8.11 ft at 9:30AM May 29, 2020Highest Observation: 8.12 ft at 9:45AM May 29, 2020Observed: 8.11 ft at 10:00AM May 29, 2020Observed: 8.06 ft at 10:15AM May 29, 2020Observed: 8.09 ft at 10:30AM May 29, 2020Observed: 8.09 ft at 10:45AM May 29, 2020Observed: 8.09 ft at 11:00AM May 29, 2020Observed: 8.06 ft at 11:15AM May 29, 2020Observed: 8.09 ft at 11:30AM May 29, 2020Observed: 8.08 ft at 11:45AM May 29, 2020Observed: 8.08 ft at 12:00PM May 29, 2020Observed: 8.08 ft at 12:15PM May 29, 2020Observed: 8.08 ft at 12:30PM May 29, 2020Observed: 8.06 ft at 12:45PM May 29, 2020Observed: 8.08 ft at 1:00PM May 29, 2020Observed: 8.06 ft at 1:15PM May 29, 2020Observed: 8.09 ft at 1:30PM May 29, 2020Observed: 8.07 ft at 1:45PM May 29, 2020Observed: 8.1 ft at 2:00PM May 29, 2020Observed: 8.09 ft at 2:15PM May 29, 2020Observed: 8.1 ft at 2:30PM May 29, 2020Observed: 8.09 ft at 2:45PM May 29, 2020Observed: 8.07 ft at 3:00PM May 29, 2020Observed: 8.09 ft at 3:15PM May 29, 2020Observed: 8.05 ft at 3:30PM May 29, 2020Observed: 8.06 ft at 3:45PM May 29, 2020Observed: 8.06 ft at 4:00PM May 29, 2020Observed: 8.07 ft at 4:15PM May 29, 2020Observed: 8.1 ft at 4:30PM May 29, 2020Observed: 8.1 ft at 4:45PM May 29, 2020Observed: 8.09 ft at 5:00PM May 29, 2020Observed: 8.08 ft at 5:15PM May 29, 2020Observed: 8.05 ft at 5:30PM May 29, 2020Observed: 8.09 ft at 5:45PM May 29, 2020Observed: 8.1 ft at 6:00PM May 29, 2020Observed: 8.09 ft at 6:15PM May 29, 2020Observed: 8.1 ft at 6:30PM May 29, 2020Observed: 8.06 ft at 6:45PM May 29, 2020Observed: 8.1 ft at 7:00PM May 29, 2020Observed: 8.06 ft at 7:15PM May 29, 2020Observed: 8.07 ft at 7:30PM May 29, 2020Observed: 8.07 ft at 7:45PM May 29, 2020Observed: 8.07 ft at 8:00PM May 29, 2020Observed: 8.08 ft at 8:15PM May 29, 2020Observed: 8.06 ft at 8:30PM May 29, 2020Observed: 8.07 ft at 8:45PM May 29, 2020Observed: 8.06 ft at 9:00PM May 29, 2020Observed: 8.07 ft at 9:15PM May 29, 2020Observed: 8.06 ft at 9:30PM May 29, 2020Observed: 8.05 ft at 9:45PM May 29, 2020Observed: 8.06 ft at 10:00PM May 29, 2020Observed: 8.09 ft at 10:15PM May 29, 2020Observed: 8.08 ft at 10:30PM May 29, 2020Observed: 8.08 ft at 10:31PM May 29, 2020Observed: 8.07 ft at 10:45PM May 29, 2020Observed: 8.07 ft at 10:46PM May 29, 2020Observed: 8.05 ft at 11:00PM May 29, 2020Observed: 8.05 ft at 11:01PM May 29, 2020Observed: 8.07 ft at 11:15PM May 29, 2020Observed: 8.06 ft at 11:30PM May 29, 2020Observed: 8.07 ft at 11:45PM May 29, 2020Observed: 8.06 ft at 12:00AM May 30, 2020Observed: 8.09 ft at 12:15AM May 30, 2020Observed: 8.06 ft at 12:30AM May 30, 2020Observed: 8.06 ft at 12:45AM May 30, 2020Observed: 8.06 ft at 1:00AM May 30, 2020Observed: 8.07 ft at 1:15AM May 30, 2020Observed: 8.06 ft at 1:30AM May 30, 2020Observed: 8.07 ft at 1:45AM May 30, 2020Observed: 8.06 ft at 2:00AM May 30, 2020Observed: 8.06 ft at 2:15AM May 30, 2020Observed: 8.07 ft at 2:30AM May 30, 2020Observed: 8.07 ft at 2:45AM May 30, 2020Observed: 8.09 ft at 3:00AM May 30, 2020Observed: 8.07 ft at 3:15AM May 30, 2020Observed: 8.1 ft at 3:30AM May 30, 2020Observed: 8.1 ft at 3:45AM May 30, 2020Observed: 8.08 ft at 4:00AM May 30, 2020Observed: 8.06 ft at 4:15AM May 30, 2020Observed: 8.1 ft at 4:30AM May 30, 2020Observed: 8.09 ft at 4:45AM May 30, 2020Observed: 8.09 ft at 5:00AM May 30, 2020Observed: 8.09 ft at 5:15AM May 30, 2020Observed: 8.09 ft at 5:30AM May 30, 2020Observed: 8.1 ft at 5:45AM May 30, 2020Observed: 8.1 ft at 6:00AM May 30, 2020Observed: 8.1 ft at 6:15AM May 30, 2020Observed: 8.1 ft at 6:30AM May 30, 2020Observed: 8.1 ft at 6:31AM May 30, 2020Observed: 8.1 ft at 6:45AM May 30, 2020Observed: 8.1 ft at 6:46AM May 30, 2020Observed: 8.06 ft at 7:00AM May 30, 2020Observed: 8.06 ft at 7:01AM May 30, 2020Observed: 8.07 ft at 7:15AM May 30, 2020Observed: 8.09 ft at 7:30AM May 30, 2020Observed: 8.07 ft at 7:45AM May 30, 2020Observed: 8.09 ft at 8:00AM May 30, 2020Observed: 8.06 ft at 8:15AM May 30, 2020Observed: 8.07 ft at 8:30AM May 30, 2020Observed: 8.1 ft at 8:45AM May 30, 2020Observed: 8.1 ft at 9:00AM May 30, 2020Observed: 8.09 ft at 9:15AM May 30, 2020Observed: 8.09 ft at 9:30AM May 30, 2020Observed: 8.09 ft at 9:45AM May 30, 2020Observed: 8.1 ft at 10:00AM May 30, 2020Observed: 8.09 ft at 10:15AM May 30, 2020Observed: 8.07 ft at 10:30AM May 30, 2020Observed: 8.09 ft at 10:45AM May 30, 2020Observed: 8.08 ft at 11:00AM May 30, 2020Observed: 8.1 ft at 11:15AM May 30, 2020Observed: 8.1 ft at 11:30AM May 30, 2020Observed: 8.09 ft at 11:45AM May 30, 2020Observed: 8.09 ft at 12:00PM May 30, 2020Observed: 8.05 ft at 12:15PM May 30, 2020Observed: 8.06 ft at 12:30PM May 30, 2020Observed: 8.09 ft at 12:45PM May 30, 2020Observed: 8.07 ft at 1:00PM May 30, 2020Observed: 8.1 ft at 1:15PM May 30, 2020Observed: 8.05 ft at 1:30PM May 30, 2020Observed: 8.05 ft at 1:45PM May 30, 2020Observed: 8.09 ft at 2:00PM May 30, 2020Observed: 8.06 ft at 2:15PM May 30, 2020Observed: 8.09 ft at 2:30PM May 30, 2020Observed: 8.09 ft at 2:31PM May 30, 2020Observed: 8.08 ft at 2:45PM May 30, 2020Observed: 8.08 ft at 2:46PM May 30, 2020Observed: 8.07 ft at 3:00PM May 30, 2020Observed: 8.07 ft at 3:01PM May 30, 2020Observed: 8.06 ft at 3:15PM May 30, 2020Observed: 8.06 ft at 3:30PM May 30, 2020Observed: 8.05 ft at 3:45PM May 30, 2020Observed: 8.06 ft at 4:00PM May 30, 2020Observed: 8.08 ft at 4:15PM May 30, 2020Observed: 8.06 ft at 4:30PM May 30, 2020Observed: 8.07 ft at 4:45PM May 30, 2020Observed: 8.07 ft at 5:00PM May 30, 2020Observed: 8.06 ft at 5:15PM May 30, 2020Observed: 8.05 ft at 5:30PM May 30, 2020Observed: 8.04 ft at 5:45PM May 30, 2020Observed: 8.06 ft at 6:00PM May 30, 2020Observed: 8.06 ft at 6:15PM May 30, 2020Observed: 8.08 ft at 6:30PM May 30, 2020Observed: 8.07 ft at 6:45PM May 30, 2020Observed: 8.06 ft at 7:00PM May 30, 2020Observed: 8.1 ft at 7:15PM May 30, 2020Observed: 8.08 ft at 7:30PM May 30, 2020Observed: 8.08 ft at 7:45PM May 30, 2020Observed: 8.09 ft at 8:00PM May 30, 2020Observed: 8.09 ft at 8:15PM May 30, 2020Observed: 8.09 ft at 8:30PM May 30, 2020Observed: 8.09 ft at 8:45PM May 30, 2020Observed: 8.09 ft at 9:00PM May 30, 2020Observed: 8.09 ft at 9:15PM May 30, 2020Observed: 8.09 ft at 9:30PM May 30, 2020Observed: 8.09 ft at 9:45PM May 30, 2020Observed: 8.09 ft at 10:00PM May 30, 2020Observed: 8.09 ft at 10:15PM May 30, 2020Observed: 8.09 ft at 10:30PM May 30, 2020Observed: 8.09 ft at 10:31PM May 30, 2020Observed: 8.09 ft at 10:45PM May 30, 2020Observed: 8.09 ft at 10:46PM May 30, 2020Observed: 8.08 ft at 11:00PM May 30, 2020Observed: 8.08 ft at 11:01PM May 30, 2020Observed: 8.09 ft at 11:15PM May 30, 2020Observed: 8.09 ft at 11:30PM May 30, 2020Observed: 8.09 ft at 11:45PM May 30, 2020Observed: 8.09 ft at 12:00AM May 31, 2020Observed: 8.09 ft at 12:15AM May 31, 2020Observed: 8.09 ft at 12:30AM May 31, 2020Observed: 8.09 ft at 12:45AM May 31, 2020Observed: 8.09 ft at 1:00AM May 31, 2020Observed: 8.09 ft at 1:15AM May 31, 2020Observed: 8.09 ft at 1:30AM May 31, 2020Observed: 8.09 ft at 1:45AM May 31, 2020Observed: 8.09 ft at 2:00AM May 31, 2020Observed: 8.09 ft at 2:15AM May 31, 2020Observed: 8.09 ft at 2:30AM May 31, 2020Observed: 8.09 ft at 2:45AM May 31, 2020Observed: 8.09 ft at 3:00AM May 31, 2020Observed: 8.09 ft at 3:15AM May 31, 2020Observed: 8.09 ft at 3:30AM May 31, 2020Observed: 8.09 ft at 3:45AM May 31, 2020Observed: 8.09 ft at 4:00AM May 31, 2020Observed: 8.1 ft at 4:15AM May 31, 2020Observed: 8.09 ft at 4:30AM May 31, 2020Observed: 8.09 ft at 4:45AM May 31, 2020Observed: 8.09 ft at 5:00AM May 31, 2020Observed: 8.09 ft at 5:15AM May 31, 2020Observed: 8.09 ft at 5:30AM May 31, 2020Observed: 8.09 ft at 5:45AM May 31, 2020Observed: 8.09 ft at 6:00AM May 31, 2020Observed: 8.08 ft at 6:15AM May 31, 2020Observed: 8.08 ft at 6:30AM May 31, 2020Observed: 8.08 ft at 6:31AM May 31, 2020Observed: 8.09 ft at 6:45AM May 31, 2020Observed: 8.09 ft at 6:46AM May 31, 2020Observed: 8.08 ft at 7:00AM May 31, 2020Observed: 8.08 ft at 7:01AM May 31, 2020Observed: 8.09 ft at 7:15AM May 31, 2020Observed: 8.09 ft at 7:30AM May 31, 2020Observed: 8.09 ft at 7:45AM May 31, 2020Observed: 8.09 ft at 8:00AM May 31, 2020Observed: 8.09 ft at 8:15AM May 31, 2020Observed: 8.09 ft at 8:30AM May 31, 2020Observed: 8.08 ft at 8:45AM May 31, 2020Observed: 8.09 ft at 9:00AM May 31, 2020Observed: 8.09 ft at 9:15AM May 31, 2020Observed: 8.09 ft at 9:30AM May 31, 2020Observed: 8.09 ft at 9:45AM May 31, 2020Observed: 8.09 ft at 10:00AM May 31, 2020Observed: 8.09 ft at 10:15AM May 31, 2020Observed: 8.06 ft at 10:30AM May 31, 2020Observed: 8.09 ft at 10:45AM May 31, 2020Observed: 8.1 ft at 11:00AM May 31, 2020Observed: 8.05 ft at 11:15AM May 31, 2020Observed: 8.09 ft at 11:30AM May 31, 2020Observed: 8.08 ft at 11:45AM May 31, 2020Observed: 8.09 ft at 12:00PM May 31, 2020Observed: 8.06 ft at 12:15PM May 31, 2020Observed: 8.07 ft at 12:30PM May 31, 2020Observed: 8.08 ft at 12:45PM May 31, 2020Observed: 8.08 ft at 1:00PM May 31, 2020Observed: 8.08 ft at 1:15PM May 31, 2020Observed: 8.08 ft at 1:30PM May 31, 2020Observed: 8.08 ft at 1:45PM May 31, 2020Observed: 8.08 ft at 2:00PM May 31, 2020Observed: 8.08 ft at 2:15PM May 31, 2020Observed: 8.06 ft at 2:30PM May 31, 2020Observed: 8.06 ft at 2:32PM May 31, 2020Observed: 8.08 ft at 2:45PM May 31, 2020Observed: 8.08 ft at 2:47PM May 31, 2020Observed: 8.06 ft at 3:00PM May 31, 2020Observed: 8.06 ft at 3:02PM May 31, 2020Observed: 8.05 ft at 3:15PM May 31, 2020Observed: 8.07 ft at 3:30PM May 31, 2020Observed: 8.08 ft at 3:45PM May 31, 2020Observed: 8.08 ft at 4:00PM May 31, 2020Observed: 8.08 ft at 4:15PM May 31, 2020Observed: 8.08 ft at 4:30PM May 31, 2020Observed: 8.05 ft at 4:45PM May 31, 2020Observed: 8.06 ft at 5:00PM May 31, 2020Observed: 8.04 ft at 5:15PM May 31, 2020Observed: 8.06 ft at 5:30PM May 31, 2020Observed: 8.04 ft at 5:45PM May 31, 2020Observed: 8.02 ft at 6:00PM May 31, 2020Observed: 8.03 ft at 6:15PM May 31, 2020Observed: 8.04 ft at 6:30PM May 31, 2020Observed: 8.03 ft at 6:45PM May 31, 2020Observed: 8.03 ft at 7:00PM May 31, 2020Observed: 8.05 ft at 7:15PM May 31, 2020Observed: 8.04 ft at 7:30PM May 31, 2020Observed: 8.07 ft at 7:45PM May 31, 2020Observed: 8.07 ft at 8:00PM May 31, 2020Observed: 8.08 ft at 8:15PM May 31, 2020Observed: 8.08 ft at 8:30PM May 31, 2020Observed: 8.08 ft at 8:45PM May 31, 2020Observed: 8.08 ft at 9:00PM May 31, 2020Observed: 8.08 ft at 9:15PM May 31, 2020Observed: 8.07 ft at 9:30PM May 31, 2020Observed: 8.07 ft at 9:45PM May 31, 2020Observed: 8.07 ft at 10:00PM May 31, 2020Observed: 8.08 ft at 10:15PM May 31, 2020Observed: 8.08 ft at 10:30PM May 31, 2020Observed: 8.08 ft at 10:31PM May 31, 2020Observed: 8.08 ft at 10:45PM May 31, 2020Observed: 8.08 ft at 10:46PM May 31, 2020Observed: 8.08 ft at 11:00PM May 31, 2020Observed: 8.08 ft at 11:01PM May 31, 2020Observed: 8.07 ft at 11:15PM May 31, 2020Observed: 8.07 ft at 11:30PM May 31, 2020Observed: 8.08 ft at 11:45PM May 31, 2020Observed: 8.08 ft at 12:00AM Jun 01, 2020Observed: 8.07 ft at 12:15AM Jun 01, 2020Observed: 8.08 ft at 12:30AM Jun 01, 2020Observed: 8.08 ft at 12:45AM Jun 01, 2020Observed: 8.07 ft at 1:00AM Jun 01, 2020Observed: 8.08 ft at 1:15AM Jun 01, 2020Observed: 8.08 ft at 1:30AM Jun 01, 2020Observed: 8.07 ft at 1:45AM Jun 01, 2020Observed: 8.08 ft at 2:00AM Jun 01, 2020Observed: 8.08 ft at 2:15AM Jun 01, 2020Observed: 8.07 ft at 2:30AM Jun 01, 2020Observed: 8.07 ft at 2:45AM Jun 01, 2020Observed: 8.07 ft at 3:00AM Jun 01, 2020Observed: 8.07 ft at 3:15AM Jun 01, 2020Observed: 8.07 ft at 3:30AM Jun 01, 2020Observed: 8.07 ft at 3:45AM Jun 01, 2020Observed: 8.07 ft at 4:00AM Jun 01, 2020Observed: 8.07 ft at 4:15AM Jun 01, 2020Observed: 8.07 ft at 4:30AM Jun 01, 2020Observed: 8.08 ft at 4:45AM Jun 01, 2020Observed: 8.07 ft at 5:00AM Jun 01, 2020Observed: 8.08 ft at 5:15AM Jun 01, 2020Observed: 8.08 ft at 5:30AM Jun 01, 2020Observed: 8.07 ft at 5:45AM Jun 01, 2020Observed: 8.07 ft at 6:00AM Jun 01, 2020Observed: 8.06 ft at 6:15AM Jun 01, 2020USGS--Water Resources of the United StatesHATS2(plotting HGIRG) Graph Created (7:08AM Jun 1, 2020)ObservedLatest observed value: 8.06 ft at 6:15 AM MDT 1-Jun-2020. Flood Stage is 16 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts are not available for the Hat Creek near Edgemont. Only observed stages are available for this point.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 30
Moderate Flood Stage: 21
Flood Stage: 16
Action Stage: 15
Low Stage (in feet): -9999

Historic Crests
(1) 21.19 ft on 06/06/2015
(2) 17.28 ft on 05/17/1991
(3) 15.40 ft on 04/23/2000
(4) 14.94 ft on 07/16/1993
(5) 14.67 ft on 05/29/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.67 ft on 05/29/2019
(2) 13.54 ft on 05/31/2018
(3) 9.47 ft on 04/05/2017
(4) 10.92 ft on 05/02/2016
(5) 21.19 ft on 06/06/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.00 ft on 11/01/1950

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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
30 Major Flood Stage. Water approaches the bottom of Highway 71 bridge. Extensive flooding along the creek with inundation of structures and roads.
21 Moderate Flood Stage. River spreads out and floods agricultural land. Some inundation of structures and roads near the creek are possible.
20 Right bank will begin to overflow. Minor flooding along the creek continues.
16 Flood Stage. Left bank will begin to overflow causing minor flooding along the creek.
15 Action stage. Flooding of low lying areas along the creek.
Photos
(1) Looking upstream
(2) Looking downstream
About This Location Collapse

Latitude: 43.240000° N, Longitude: 103.587778° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 16 ft 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 3297.31 3303.31 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
Rapid City Weather Forecast Office
300 East Signal Drive
Rapid City, SD 57701-3800
(605) 341-7531
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