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Hydrograph River at a Glance Download
Hat Creek near Edgemont Stage (ft)Observed: 8.02 ft at 6:15AM Jan 24, 2021Observed: 8 ft at 6:30AM Jan 24, 2021Observed: 8 ft at 6:45AM Jan 24, 2021Observed: 8 ft at 7:00AM Jan 24, 2021Observed: 8 ft at 7:15AM Jan 24, 2021Observed: 8 ft at 7:30AM Jan 24, 2021Observed: 8.01 ft at 7:45AM Jan 24, 2021Observed: 8.01 ft at 8:00AM Jan 24, 2021Observed: 8.02 ft at 8:15AM Jan 24, 2021Observed: 8.01 ft at 8:30AM Jan 24, 2021Observed: 8.02 ft at 8:45AM Jan 24, 2021Observed: 8.02 ft at 9:00AM Jan 24, 2021Observed: 8.02 ft at 9:01AM Jan 24, 2021Observed: 8.03 ft at 9:15AM Jan 24, 2021Observed: 8.03 ft at 9:16AM Jan 24, 2021Observed: 8.03 ft at 9:30AM Jan 24, 2021Observed: 8.03 ft at 9:31AM Jan 24, 2021Observed: 8.04 ft at 9:45AM Jan 24, 2021Observed: 8.03 ft at 10:00AM Jan 24, 2021Observed: 8.05 ft at 10:15AM Jan 24, 2021Observed: 8.05 ft at 10:30AM Jan 24, 2021Observed: 8.05 ft at 10:45AM Jan 24, 2021Observed: 8.05 ft at 11:00AM Jan 24, 2021Observed: 8.07 ft at 11:15AM Jan 24, 2021Observed: 8.06 ft at 11:30AM Jan 24, 2021Observed: 8.05 ft at 11:45AM Jan 24, 2021Observed: 8.05 ft at 12:00PM Jan 24, 2021Observed: 8.05 ft at 12:15PM Jan 24, 2021Observed: 8.06 ft at 12:30PM Jan 24, 2021Observed: 8.06 ft at 12:45PM Jan 24, 2021Observed: 8.07 ft at 1:00PM Jan 24, 2021Observed: 8.06 ft at 1:15PM Jan 24, 2021Observed: 8.07 ft at 1:30PM Jan 24, 2021Observed: 8.08 ft at 1:45PM Jan 24, 2021Observed: 8.06 ft at 2:00PM Jan 24, 2021Observed: 8.02 ft at 2:15PM Jan 24, 2021Observed: 8.02 ft at 2:30PM Jan 24, 2021Observed: 8.06 ft at 2:45PM Jan 24, 2021Observed: 8.08 ft at 3:00PM Jan 24, 2021Observed: 8.13 ft at 3:15PM Jan 24, 2021Observed: 8.07 ft at 3:30PM Jan 24, 2021Observed: 8.07 ft at 3:45PM Jan 24, 2021Observed: 8.1 ft at 4:00PM Jan 24, 2021Observed: 8.13 ft at 4:15PM Jan 24, 2021Observed: 8.17 ft at 4:30PM Jan 24, 2021Observed: 8.16 ft at 4:45PM Jan 24, 2021Observed: 7.93 ft at 5:00PM Jan 24, 2021Observed: 7.99 ft at 5:15PM Jan 24, 2021Observed: 7.99 ft at 5:16PM Jan 24, 2021Observed: 7.94 ft at 5:30PM Jan 24, 2021Observed: 7.94 ft at 5:31PM Jan 24, 2021Observed: 7.97 ft at 5:45PM Jan 24, 2021Observed: 7.97 ft at 5:46PM Jan 24, 2021Observed: 7.95 ft at 6:00PM Jan 24, 2021Observed: 7.84 ft at 6:15PM Jan 24, 2021Observed: 7.89 ft at 6:30PM Jan 24, 2021Observed: 7.89 ft at 6:31PM Jan 24, 2021Observed: 7.74 ft at 6:45PM Jan 24, 2021Observed: 7.74 ft at 6:46PM Jan 24, 2021Observed: 8.08 ft at 7:15PM Jan 24, 2021Observed: 8.09 ft at 7:30PM Jan 24, 2021Observed: 8.11 ft at 7:45PM Jan 24, 2021Observed: 8.12 ft at 8:00PM Jan 24, 2021Observed: 8.13 ft at 8:15PM Jan 24, 2021Observed: 8.13 ft at 8:30PM Jan 24, 2021Observed: 8.15 ft at 8:45PM Jan 24, 2021Observed: 8.14 ft at 9:00PM Jan 24, 2021Observed: 8.17 ft at 9:15PM Jan 24, 2021Observed: 8.17 ft at 9:30PM Jan 24, 2021Observed: 8.16 ft at 9:45PM Jan 24, 2021Observed: 8.16 ft at 10:00PM Jan 24, 2021Observed: 8.16 ft at 10:15PM Jan 24, 2021Observed: 8.15 ft at 10:30PM Jan 24, 2021Observed: 8.15 ft at 10:45PM Jan 24, 2021Observed: 8.15 ft at 11:00PM Jan 24, 2021Observed: 8.15 ft at 11:15PM Jan 24, 2021Observed: 8.15 ft at 11:30PM Jan 24, 2021Observed: 8.14 ft at 11:45PM Jan 24, 2021Observed: 8.13 ft at 12:00AM Jan 25, 2021Observed: 8.13 ft at 12:15AM Jan 25, 2021Observed: 8.13 ft at 12:30AM Jan 25, 2021Observed: 8.13 ft at 12:45AM Jan 25, 2021Observed: 8.12 ft at 1:00AM Jan 25, 2021Observed: 8.11 ft at 1:15AM Jan 25, 2021Observed: 8.1 ft at 1:30AM Jan 25, 2021Observed: 8.1 ft at 1:45AM Jan 25, 2021Observed: 8.1 ft at 2:00AM Jan 25, 2021Observed: 8.1 ft at 2:15AM Jan 25, 2021Observed: 8.1 ft at 2:30AM Jan 25, 2021Observed: 8.09 ft at 2:45AM Jan 25, 2021Observed: 8.08 ft at 3:00AM Jan 25, 2021Observed: 8.09 ft at 3:15AM Jan 25, 2021Observed: 8.08 ft at 3:30AM Jan 25, 2021Observed: 8.08 ft at 3:45AM Jan 25, 2021Observed: 8.08 ft at 4:00AM Jan 25, 2021Observed: 8.08 ft at 4:15AM Jan 25, 2021Observed: 8.08 ft at 4:30AM Jan 25, 2021Observed: 8.08 ft at 4:45AM Jan 25, 2021Observed: 8.08 ft at 5:00AM Jan 25, 2021Observed: 8.08 ft at 5:15AM Jan 25, 2021Observed: 8.08 ft at 5:30AM Jan 25, 2021Observed: 8.08 ft at 5:45AM Jan 25, 2021Observed: 8.08 ft at 6:00AM Jan 25, 2021Observed: 8.08 ft at 6:15AM Jan 25, 2021Observed: 8.08 ft at 6:30AM Jan 25, 2021Observed: 8.09 ft at 6:45AM Jan 25, 2021Observed: 8.09 ft at 7:00AM Jan 25, 2021Observed: 8.08 ft at 7:15AM Jan 25, 2021Observed: 8.09 ft at 7:30AM Jan 25, 2021Observed: 8.08 ft at 7:45AM Jan 25, 2021Observed: 8.08 ft at 8:00AM Jan 25, 2021Observed: 8.09 ft at 8:15AM Jan 25, 2021Observed: 8.1 ft at 8:30AM Jan 25, 2021Observed: 8.11 ft at 8:45AM Jan 25, 2021Observed: 8.1 ft at 9:00AM Jan 25, 2021Observed: 8.1 ft at 9:15AM Jan 25, 2021Observed: 8.11 ft at 9:30AM Jan 25, 2021Observed: 8.11 ft at 9:45AM Jan 25, 2021Observed: 8.12 ft at 10:00AM Jan 25, 2021Observed: 8.12 ft at 10:15AM Jan 25, 2021Observed: 8.14 ft at 10:30AM Jan 25, 2021Observed: 8.14 ft at 10:32AM Jan 25, 2021Observed: 8.15 ft at 10:45AM Jan 25, 2021Observed: 8.15 ft at 10:47AM Jan 25, 2021Observed: 8.15 ft at 11:00AM Jan 25, 2021Observed: 8.15 ft at 11:02AM Jan 25, 2021Observed: 8.15 ft at 11:15AM Jan 25, 2021Observed: 8.16 ft at 11:30AM Jan 25, 2021Observed: 8.16 ft at 11:45AM Jan 25, 2021Observed: 8.16 ft at 12:00PM Jan 25, 2021Observed: 8.16 ft at 12:15PM Jan 25, 2021Observed: 8.17 ft at 12:30PM Jan 25, 2021Observed: 8.17 ft at 12:45PM Jan 25, 2021Observed: 8.18 ft at 1:00PM Jan 25, 2021Observed: 8.18 ft at 1:15PM Jan 25, 2021Observed: 8.18 ft at 1:30PM Jan 25, 2021Observed: 8.2 ft at 1:45PM Jan 25, 2021Observed: 8.19 ft at 2:00PM Jan 25, 2021Observed: 8.18 ft at 2:15PM Jan 25, 2021Observed: 8.18 ft at 2:30PM Jan 25, 2021Observed: 8.18 ft at 2:45PM Jan 25, 2021Observed: 8.19 ft at 3:00PM Jan 25, 2021Observed: 8.19 ft at 3:15PM Jan 25, 2021Observed: 8.2 ft at 3:30PM Jan 25, 2021Observed: 8.18 ft at 3:45PM Jan 25, 2021Observed: 8.19 ft at 4:00PM Jan 25, 2021Observed: 8.2 ft at 4:15PM Jan 25, 2021Observed: 8.2 ft at 4:30PM Jan 25, 2021Observed: 8.2 ft at 4:45PM Jan 25, 2021Observed: 8.21 ft at 5:00PM Jan 25, 2021Observed: 8.19 ft at 5:15PM Jan 25, 2021Observed: 8.21 ft at 5:30PM Jan 25, 2021Observed: 8.22 ft at 5:45PM Jan 25, 2021Observed: 8.22 ft at 6:00PM Jan 25, 2021Observed: 8.21 ft at 6:15PM Jan 25, 2021Observed: 8.22 ft at 6:30PM Jan 25, 2021Observed: 8.22 ft at 6:32PM Jan 25, 2021Observed: 8.22 ft at 6:45PM Jan 25, 2021Observed: 8.22 ft at 6:47PM Jan 25, 2021Observed: 8.23 ft at 7:00PM Jan 25, 2021Observed: 8.23 ft at 7:02PM Jan 25, 2021Observed: 8.24 ft at 7:15PM Jan 25, 2021Observed: 8.23 ft at 7:30PM Jan 25, 2021Observed: 8.23 ft at 7:45PM Jan 25, 2021Observed: 8.23 ft at 8:00PM Jan 25, 2021Observed: 8.23 ft at 8:15PM Jan 25, 2021Observed: 8.23 ft at 8:30PM Jan 25, 2021Observed: 8.22 ft at 8:45PM Jan 25, 2021Observed: 8.22 ft at 9:00PM Jan 25, 2021Observed: 8.13 ft at 9:15PM Jan 25, 2021Observed: 8.22 ft at 9:30PM Jan 25, 2021Observed: 8.22 ft at 9:45PM Jan 25, 2021Observed: 8.22 ft at 10:00PM Jan 25, 2021Observed: 8.2 ft at 10:15PM Jan 25, 2021Observed: 8.19 ft at 10:30PM Jan 25, 2021Observed: 8.19 ft at 10:45PM Jan 25, 2021Observed: 8.2 ft at 11:00PM Jan 25, 2021Observed: 8.2 ft at 11:15PM Jan 25, 2021Observed: 8.19 ft at 11:30PM Jan 25, 2021Observed: 8.19 ft at 11:45PM Jan 25, 2021Observed: 8.18 ft at 12:00AM Jan 26, 2021Observed: 8.17 ft at 12:15AM Jan 26, 2021Observed: 8.17 ft at 12:30AM Jan 26, 2021Observed: 8.17 ft at 12:45AM Jan 26, 2021Observed: 8.17 ft at 1:00AM Jan 26, 2021Observed: 8.18 ft at 1:15AM Jan 26, 2021Observed: 8.18 ft at 1:30AM Jan 26, 2021Observed: 8.17 ft at 1:45AM Jan 26, 2021Observed: 8.16 ft at 2:00AM Jan 26, 2021Observed: 8.17 ft at 2:15AM Jan 26, 2021Observed: 8.18 ft at 2:30AM Jan 26, 2021Observed: 8.18 ft at 2:31AM Jan 26, 2021Observed: 8.17 ft at 2:45AM Jan 26, 2021Observed: 8.17 ft at 2:46AM Jan 26, 2021Observed: 8.16 ft at 3:00AM Jan 26, 2021Observed: 8.16 ft at 3:01AM Jan 26, 2021Observed: 8.17 ft at 3:15AM Jan 26, 2021Observed: 8.17 ft at 3:30AM Jan 26, 2021Observed: 8.18 ft at 3:45AM Jan 26, 2021Observed: 8.17 ft at 4:00AM Jan 26, 2021Observed: 8.16 ft at 4:15AM Jan 26, 2021Observed: 8.18 ft at 4:30AM Jan 26, 2021Observed: 8.18 ft at 4:45AM Jan 26, 2021Observed: 8.2 ft at 5:00AM Jan 26, 2021Observed: 8.21 ft at 5:15AM Jan 26, 2021Observed: 8.2 ft at 5:30AM Jan 26, 2021Observed: 8.2 ft at 5:45AM Jan 26, 2021Observed: 8.2 ft at 6:00AM Jan 26, 2021Observed: 8.2 ft at 6:15AM Jan 26, 2021Observed: 8.21 ft at 6:30AM Jan 26, 2021Observed: 8.22 ft at 6:45AM Jan 26, 2021Observed: 8.22 ft at 7:00AM Jan 26, 2021Observed: 8.22 ft at 7:15AM Jan 26, 2021Observed: 8.18 ft at 7:30AM Jan 26, 2021Observed: 8.22 ft at 7:45AM Jan 26, 2021Observed: 8.21 ft at 8:00AM Jan 26, 2021Observed: 8.22 ft at 8:15AM Jan 26, 2021Observed: 8.22 ft at 8:30AM Jan 26, 2021Observed: 8.25 ft at 9:00AM Jan 26, 2021Observed: 8.25 ft at 9:15AM Jan 26, 2021Observed: 8.24 ft at 9:30AM Jan 26, 2021Observed: 8.24 ft at 9:45AM Jan 26, 2021Observed: 8.23 ft at 10:00AM Jan 26, 2021Observed: 8.25 ft at 10:15AM Jan 26, 2021Observed: 8.23 ft at 10:30AM Jan 26, 2021Observed: 8.23 ft at 11:15AM Jan 26, 2021Observed: 8.22 ft at 11:30AM Jan 26, 2021Observed: 8.22 ft at 11:45AM Jan 26, 2021Observed: 8.22 ft at 12:00PM Jan 26, 2021Observed: 8.22 ft at 12:15PM Jan 26, 2021Observed: 8.22 ft at 12:30PM Jan 26, 2021Observed: 8.21 ft at 12:45PM Jan 26, 2021Observed: 8.22 ft at 1:00PM Jan 26, 2021Observed: 8.2 ft at 1:15PM Jan 26, 2021Observed: 8.19 ft at 1:30PM Jan 26, 2021Observed: 8.18 ft at 1:45PM Jan 26, 2021Observed: 8.19 ft at 2:00PM Jan 26, 2021Observed: 8.18 ft at 2:15PM Jan 26, 2021Observed: 8.18 ft at 2:30PM Jan 26, 2021Observed: 8.19 ft at 2:45PM Jan 26, 2021Observed: 8.19 ft at 3:00PM Jan 26, 2021Observed: 8.21 ft at 3:15PM Jan 26, 2021Observed: 8.21 ft at 3:30PM Jan 26, 2021Observed: 8.21 ft at 3:45PM Jan 26, 2021Observed: 8.21 ft at 4:00PM Jan 26, 2021Observed: 8.21 ft at 4:15PM Jan 26, 2021Observed: 8.22 ft at 4:30PM Jan 26, 2021Observed: 8.21 ft at 4:45PM Jan 26, 2021Observed: 8.21 ft at 5:00PM Jan 26, 2021Observed: 8.21 ft at 5:15PM Jan 26, 2021Observed: 8.22 ft at 5:30PM Jan 26, 2021Observed: 8.22 ft at 5:45PM Jan 26, 2021Observed: 8.22 ft at 6:00PM Jan 26, 2021Observed: 8.22 ft at 6:15PM Jan 26, 2021Observed: 8.22 ft at 6:30PM Jan 26, 2021Observed: 8.22 ft at 6:31PM Jan 26, 2021Observed: 8.22 ft at 6:45PM Jan 26, 2021Observed: 8.22 ft at 6:46PM Jan 26, 2021Observed: 8.23 ft at 7:00PM Jan 26, 2021Observed: 8.23 ft at 7:01PM Jan 26, 2021Observed: 8.24 ft at 7:15PM Jan 26, 2021Observed: 8.24 ft at 7:30PM Jan 26, 2021Observed: 8.24 ft at 7:45PM Jan 26, 2021Observed: 8.24 ft at 8:00PM Jan 26, 2021Observed: 8.24 ft at 8:15PM Jan 26, 2021Observed: 8.24 ft at 8:30PM Jan 26, 2021Observed: 8.24 ft at 8:45PM Jan 26, 2021Observed: 8.25 ft at 9:00PM Jan 26, 2021Highest Observation: 8.26 ft at 9:15PM Jan 26, 2021Highest Observation: 8.26 ft at 9:30PM Jan 26, 2021Observed: 8.25 ft at 9:45PM Jan 26, 2021Observed: 6.88 ft at 10:30PM Jan 26, 2021Observed: 6.94 ft at 10:45PM Jan 26, 2021Observed: 6.66 ft at 11:00PM Jan 26, 2021Observed: 6.53 ft at 11:15PM Jan 26, 2021Observed: 6.52 ft at 11:30PM Jan 26, 2021Observed: 6.52 ft at 11:45PM Jan 26, 2021Observed: 6.52 ft at 12:00AM Jan 27, 2021Observed: 6.51 ft at 12:15AM Jan 27, 2021Observed: 6.52 ft at 12:30AM Jan 27, 2021Highest Observation: 8.26 ft at 12:45AM Jan 27, 2021Observed: 8.25 ft at 1:00AM Jan 27, 2021Observed: 8.25 ft at 1:15AM Jan 27, 2021Observed: 8.24 ft at 1:30AM Jan 27, 2021Observed: 8.24 ft at 1:45AM Jan 27, 2021Observed: 8.24 ft at 2:00AM Jan 27, 2021Observed: 8.25 ft at 2:15AM Jan 27, 2021Observed: 8.24 ft at 2:30AM Jan 27, 2021Observed: 8.23 ft at 2:45AM Jan 27, 2021Observed: 8.23 ft at 3:00AM Jan 27, 2021Observed: 8.23 ft at 3:01AM Jan 27, 2021Observed: 8.23 ft at 3:15AM Jan 27, 2021Observed: 8.23 ft at 3:16AM Jan 27, 2021Observed: 8.24 ft at 3:30AM Jan 27, 2021Observed: 8.24 ft at 3:45AM Jan 27, 2021Observed: 8.24 ft at 4:00AM Jan 27, 2021Observed: 8.22 ft at 4:15AM Jan 27, 2021Observed: 8.22 ft at 4:30AM Jan 27, 2021Observed: 8.22 ft at 4:45AM Jan 27, 2021Observed: 8.2 ft at 5:00AM Jan 27, 2021Observed: 8.2 ft at 5:15AM Jan 27, 2021USGS--Water Resources of the United StatesHATS2(plotting HGIRG) Graph Created (6:07AM Jan 27, 2021)ObservedLatest observed value: 8.2 ft at 5:15 AM MST 27-Jan-2021. Flood Stage is 16 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (MST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Gauge reading may be affected by ice.

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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