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Hydrograph River at a Glance Download
Whetstone River above Big Stone City Stage (ft)Flow (cfs)Highest Observation: 1.75 ft at 2:45PM Sep 18, 2021Observed: 1.74 ft at 3:00PM Sep 18, 2021Observed: 1.74 ft at 3:15PM Sep 18, 2021Observed: 1.74 ft at 3:30PM Sep 18, 2021Observed: 1.74 ft at 3:45PM Sep 18, 2021Observed: 1.74 ft at 4:00PM Sep 18, 2021Observed: 1.74 ft at 4:15PM Sep 18, 2021Observed: 1.74 ft at 4:30PM Sep 18, 2021Observed: 1.73 ft at 4:45PM Sep 18, 2021Observed: 1.73 ft at 5:00PM Sep 18, 2021Observed: 1.73 ft at 5:15PM Sep 18, 2021Observed: 1.73 ft at 5:30PM Sep 18, 2021Observed: 1.73 ft at 5:45PM Sep 18, 2021Observed: 1.73 ft at 6:00PM Sep 18, 2021Observed: 1.73 ft at 6:15PM Sep 18, 2021Observed: 1.73 ft at 6:30PM Sep 18, 2021Observed: 1.73 ft at 6:45PM Sep 18, 2021Observed: 1.73 ft at 7:00PM Sep 18, 2021Observed: 1.73 ft at 7:15PM Sep 18, 2021Observed: 1.73 ft at 7:30PM Sep 18, 2021Observed: 1.73 ft at 7:45PM Sep 18, 2021Observed: 1.73 ft at 8:00PM Sep 18, 2021Observed: 1.73 ft at 8:15PM Sep 18, 2021Observed: 1.73 ft at 8:30PM Sep 18, 2021Observed: 1.73 ft at 8:45PM Sep 18, 2021Observed: 1.74 ft at 9:00PM Sep 18, 2021Observed: 1.73 ft at 9:15PM Sep 18, 2021Observed: 1.73 ft at 9:30PM Sep 18, 2021Observed: 1.73 ft at 9:45PM Sep 18, 2021Observed: 1.74 ft at 10:00PM Sep 18, 2021Observed: 1.74 ft at 10:15PM Sep 18, 2021Observed: 1.74 ft at 10:30PM Sep 18, 2021Observed: 1.74 ft at 10:45PM Sep 18, 2021Observed: 1.74 ft at 11:00PM Sep 18, 2021Observed: 1.74 ft at 11:15PM Sep 18, 2021Observed: 1.74 ft at 11:30PM Sep 18, 2021Observed: 1.74 ft at 11:45PM Sep 18, 2021Observed: 1.74 ft at 12:00AM Sep 19, 2021Observed: 1.74 ft at 12:15AM Sep 19, 2021Observed: 1.74 ft at 12:30AM Sep 19, 2021Observed: 1.74 ft at 12:45AM Sep 19, 2021Observed: 1.74 ft at 1:00AM Sep 19, 2021Observed: 1.74 ft at 1:15AM Sep 19, 2021Observed: 1.74 ft at 1:30AM Sep 19, 2021Observed: 1.74 ft at 1:45AM Sep 19, 2021Observed: 1.74 ft at 2:00AM Sep 19, 2021Observed: 1.74 ft at 2:15AM Sep 19, 2021Observed: 1.74 ft at 2:30AM Sep 19, 2021Observed: 1.74 ft at 2:45AM Sep 19, 2021Observed: 1.73 ft at 3:00AM Sep 19, 2021Observed: 1.73 ft at 3:15AM Sep 19, 2021Observed: 1.73 ft at 3:30AM Sep 19, 2021Observed: 1.73 ft at 3:45AM Sep 19, 2021Observed: 1.73 ft at 4:00AM Sep 19, 2021Observed: 1.73 ft at 4:15AM Sep 19, 2021Observed: 1.73 ft at 4:30AM Sep 19, 2021Observed: 1.73 ft at 4:45AM Sep 19, 2021Observed: 1.73 ft at 5:00AM Sep 19, 2021Observed: 1.73 ft at 5:15AM Sep 19, 2021Observed: 1.73 ft at 5:30AM Sep 19, 2021Observed: 1.73 ft at 5:45AM Sep 19, 2021Observed: 1.73 ft at 6:00AM Sep 19, 2021Observed: 1.73 ft at 6:15AM Sep 19, 2021Observed: 1.72 ft at 6:30AM Sep 19, 2021Observed: 1.72 ft at 6:45AM Sep 19, 2021Observed: 1.72 ft at 7:00AM Sep 19, 2021Observed: 1.72 ft at 7:15AM Sep 19, 2021Observed: 1.72 ft at 7:30AM Sep 19, 2021Observed: 1.72 ft at 7:45AM Sep 19, 2021Observed: 1.72 ft at 8:00AM Sep 19, 2021Observed: 1.72 ft at 8:15AM Sep 19, 2021Observed: 1.72 ft at 8:30AM Sep 19, 2021Observed: 1.72 ft at 8:45AM Sep 19, 2021Observed: 1.72 ft at 9:00AM Sep 19, 2021Observed: 1.71 ft at 9:15AM Sep 19, 2021Observed: 1.71 ft at 9:30AM Sep 19, 2021Observed: 1.71 ft at 9:45AM Sep 19, 2021Observed: 1.71 ft at 10:00AM Sep 19, 2021Observed: 1.71 ft at 10:15AM Sep 19, 2021Observed: 1.71 ft at 10:30AM Sep 19, 2021Observed: 1.71 ft at 10:45AM Sep 19, 2021Observed: 1.71 ft at 11:00AM Sep 19, 2021Observed: 1.7 ft at 11:15AM Sep 19, 2021Observed: 1.7 ft at 11:30AM Sep 19, 2021Observed: 1.7 ft at 11:45AM Sep 19, 2021Observed: 1.7 ft at 12:00PM Sep 19, 2021Observed: 1.7 ft at 12:15PM Sep 19, 2021Observed: 1.7 ft at 12:30PM Sep 19, 2021Observed: 1.7 ft at 12:45PM Sep 19, 2021Observed: 1.7 ft at 1:00PM Sep 19, 2021Observed: 1.69 ft at 1:15PM Sep 19, 2021Observed: 1.69 ft at 1:30PM Sep 19, 2021Observed: 1.69 ft at 1:45PM Sep 19, 2021Observed: 1.69 ft at 2:00PM Sep 19, 2021Observed: 1.69 ft at 2:15PM Sep 19, 2021Observed: 1.69 ft at 2:30PM Sep 19, 2021Observed: 1.69 ft at 2:45PM Sep 19, 2021Observed: 1.69 ft at 3:00PM Sep 19, 2021Observed: 1.69 ft at 3:15PM Sep 19, 2021Observed: 1.69 ft at 3:30PM Sep 19, 2021Observed: 1.69 ft at 3:45PM Sep 19, 2021Observed: 1.69 ft at 4:00PM Sep 19, 2021Observed: 1.69 ft at 4:15PM Sep 19, 2021Observed: 1.69 ft at 4:30PM Sep 19, 2021Observed: 1.69 ft at 4:45PM Sep 19, 2021Observed: 1.69 ft at 5:00PM Sep 19, 2021Observed: 1.69 ft at 5:15PM Sep 19, 2021Observed: 1.69 ft at 5:30PM Sep 19, 2021Observed: 1.69 ft at 5:45PM Sep 19, 2021Observed: 1.69 ft at 6:00PM Sep 19, 2021Observed: 1.69 ft at 6:15PM Sep 19, 2021Observed: 1.69 ft at 6:30PM Sep 19, 2021Observed: 1.69 ft at 6:45PM Sep 19, 2021Observed: 1.69 ft at 7:00PM Sep 19, 2021Observed: 1.69 ft at 7:15PM Sep 19, 2021Observed: 1.69 ft at 7:30PM Sep 19, 2021Observed: 1.69 ft at 7:45PM Sep 19, 2021Observed: 1.69 ft at 8:00PM Sep 19, 2021Observed: 1.69 ft at 8:15PM Sep 19, 2021Observed: 1.69 ft at 8:30PM Sep 19, 2021Observed: 1.69 ft at 8:45PM Sep 19, 2021Observed: 1.69 ft at 9:00PM Sep 19, 2021Observed: 1.69 ft at 9:15PM Sep 19, 2021Observed: 1.69 ft at 9:30PM Sep 19, 2021Observed: 1.7 ft at 9:45PM Sep 19, 2021Observed: 1.7 ft at 10:00PM Sep 19, 2021Observed: 1.7 ft at 10:15PM Sep 19, 2021Observed: 1.7 ft at 10:30PM Sep 19, 2021Observed: 1.7 ft at 10:45PM Sep 19, 2021Observed: 1.7 ft at 11:00PM Sep 19, 2021Observed: 1.7 ft at 11:15PM Sep 19, 2021Observed: 1.7 ft at 11:30PM Sep 19, 2021Observed: 1.7 ft at 11:45PM Sep 19, 2021Observed: 1.7 ft at 12:00AM Sep 20, 2021Observed: 1.7 ft at 12:15AM Sep 20, 2021Observed: 1.7 ft at 12:30AM Sep 20, 2021Observed: 1.7 ft at 12:45AM Sep 20, 2021Observed: 1.7 ft at 1:00AM Sep 20, 2021Observed: 1.7 ft at 1:15AM Sep 20, 2021Observed: 1.7 ft at 1:30AM Sep 20, 2021Observed: 1.7 ft at 1:45AM Sep 20, 2021Observed: 1.7 ft at 2:00AM Sep 20, 2021Observed: 1.7 ft at 2:15AM Sep 20, 2021Observed: 1.7 ft at 2:30AM Sep 20, 2021Observed: 1.7 ft at 2:45AM Sep 20, 2021Observed: 1.7 ft at 3:00AM Sep 20, 2021Observed: 1.69 ft at 3:15AM Sep 20, 2021Observed: 1.69 ft at 3:30AM Sep 20, 2021Observed: 1.69 ft at 3:45AM Sep 20, 2021Observed: 1.7 ft at 4:00AM Sep 20, 2021Observed: 1.7 ft at 4:15AM Sep 20, 2021Observed: 1.69 ft at 4:30AM Sep 20, 2021Observed: 1.69 ft at 4:45AM Sep 20, 2021Observed: 1.69 ft at 5:00AM Sep 20, 2021Observed: 1.69 ft at 5:15AM Sep 20, 2021Observed: 1.69 ft at 5:30AM Sep 20, 2021Observed: 1.69 ft at 5:45AM Sep 20, 2021Observed: 1.69 ft at 6:00AM Sep 20, 2021Observed: 1.69 ft at 6:15AM Sep 20, 2021Observed: 1.69 ft at 6:30AM Sep 20, 2021Observed: 1.7 ft at 6:45AM Sep 20, 2021Observed: 1.72 ft at 7:00AM Sep 20, 2021Observed: 1.72 ft at 7:15AM Sep 20, 2021Observed: 1.72 ft at 7:30AM Sep 20, 2021Observed: 1.72 ft at 7:45AM Sep 20, 2021Observed: 1.72 ft at 8:00AM Sep 20, 2021Observed: 1.72 ft at 8:15AM Sep 20, 2021Observed: 1.72 ft at 8:30AM Sep 20, 2021Observed: 1.72 ft at 8:45AM Sep 20, 2021Observed: 1.72 ft at 9:00AM Sep 20, 2021Observed: 1.72 ft at 9:15AM Sep 20, 2021Observed: 1.72 ft at 9:30AM Sep 20, 2021Observed: 1.73 ft at 9:45AM Sep 20, 2021Observed: 1.73 ft at 10:00AM Sep 20, 2021Observed: 1.73 ft at 10:15AM Sep 20, 2021Observed: 1.73 ft at 10:30AM Sep 20, 2021Observed: 1.74 ft at 10:45AM Sep 20, 2021Observed: 1.74 ft at 11:00AM Sep 20, 2021Observed: 1.74 ft at 11:15AM Sep 20, 2021Observed: 1.74 ft at 11:30AM Sep 20, 2021Observed: 1.74 ft at 11:45AM Sep 20, 2021Highest Observation: 1.75 ft at 12:00PM Sep 20, 2021Highest Observation: 1.75 ft at 12:15PM Sep 20, 2021Observed: 1.74 ft at 12:30PM Sep 20, 2021Observed: 1.74 ft at 12:45PM Sep 20, 2021Observed: 1.74 ft at 1:00PM Sep 20, 2021Observed: 1.74 ft at 1:15PM Sep 20, 2021Observed: 1.74 ft at 1:30PM Sep 20, 2021Observed: 1.74 ft at 1:45PM Sep 20, 2021Observed: 1.74 ft at 2:00PM Sep 20, 2021Observed: 1.74 ft at 2:15PM Sep 20, 2021Observed: 1.73 ft at 2:30PM Sep 20, 2021Observed: 1.74 ft at 2:45PM Sep 20, 2021Observed: 1.73 ft at 3:00PM Sep 20, 2021Observed: 1.73 ft at 3:15PM Sep 20, 2021Observed: 1.73 ft at 3:30PM Sep 20, 2021Observed: 1.73 ft at 3:45PM Sep 20, 2021Observed: 1.73 ft at 4:00PM Sep 20, 2021Observed: 1.73 ft at 4:15PM Sep 20, 2021Observed: 1.73 ft at 4:30PM Sep 20, 2021Observed: 1.73 ft at 4:45PM Sep 20, 2021Observed: 1.73 ft at 5:00PM Sep 20, 2021Observed: 1.73 ft at 5:15PM Sep 20, 2021Observed: 1.73 ft at 5:30PM Sep 20, 2021Observed: 1.73 ft at 5:45PM Sep 20, 2021Observed: 1.73 ft at 6:00PM Sep 20, 2021Observed: 1.73 ft at 6:15PM Sep 20, 2021Observed: 1.73 ft at 6:30PM Sep 20, 2021Observed: 1.73 ft at 6:45PM Sep 20, 2021Observed: 1.73 ft at 7:00PM Sep 20, 2021Observed: 1.73 ft at 7:15PM Sep 20, 2021Observed: 1.73 ft at 7:30PM Sep 20, 2021Observed: 1.73 ft at 7:45PM Sep 20, 2021Observed: 1.73 ft at 8:00PM Sep 20, 2021Observed: 1.73 ft at 8:15PM Sep 20, 2021Observed: 1.73 ft at 8:30PM Sep 20, 2021Observed: 1.73 ft at 8:45PM Sep 20, 2021Observed: 1.73 ft at 9:00PM Sep 20, 2021Observed: 1.73 ft at 9:15PM Sep 20, 2021Observed: 1.73 ft at 9:30PM Sep 20, 2021Observed: 1.73 ft at 9:45PM Sep 20, 2021Observed: 1.73 ft at 10:00PM Sep 20, 2021Observed: 1.73 ft at 10:15PM Sep 20, 2021Observed: 1.73 ft at 10:30PM Sep 20, 2021Observed: 1.72 ft at 10:45PM Sep 20, 2021Observed: 1.72 ft at 11:00PM Sep 20, 2021Observed: 1.72 ft at 11:15PM Sep 20, 2021Observed: 1.72 ft at 11:30PM Sep 20, 2021Observed: 1.72 ft at 11:45PM Sep 20, 2021Observed: 1.72 ft at 12:00AM Sep 21, 2021Observed: 1.72 ft at 12:15AM Sep 21, 2021Observed: 1.72 ft at 12:30AM Sep 21, 2021Observed: 1.72 ft at 12:45AM Sep 21, 2021Observed: 1.72 ft at 1:00AM Sep 21, 2021Observed: 1.72 ft at 1:15AM Sep 21, 2021Observed: 1.71 ft at 1:30AM Sep 21, 2021Observed: 1.71 ft at 1:45AM Sep 21, 2021Observed: 1.71 ft at 2:00AM Sep 21, 2021Observed: 1.71 ft at 2:15AM Sep 21, 2021Observed: 1.72 ft at 2:30AM Sep 21, 2021Observed: 1.72 ft at 2:45AM Sep 21, 2021Observed: 1.72 ft at 3:00AM Sep 21, 2021Observed: 1.72 ft at 3:15AM Sep 21, 2021Observed: 1.72 ft at 3:30AM Sep 21, 2021Observed: 1.73 ft at 3:45AM Sep 21, 2021Observed: 1.73 ft at 4:00AM Sep 21, 2021Observed: 1.74 ft at 4:15AM Sep 21, 2021Observed: 1.74 ft at 4:30AM Sep 21, 2021Observed: 1.74 ft at 4:45AM Sep 21, 2021Observed: 1.74 ft at 5:00AM Sep 21, 2021Highest Observation: 1.75 ft at 5:15AM Sep 21, 2021Highest Observation: 1.75 ft at 5:30AM Sep 21, 2021Highest Observation: 1.75 ft at 5:45AM Sep 21, 2021Highest Observation: 1.75 ft at 6:00AM Sep 21, 2021Highest Observation: 1.75 ft at 6:15AM Sep 21, 2021Highest Observation: 1.75 ft at 6:30AM Sep 21, 2021Highest Observation: 1.75 ft at 6:45AM Sep 21, 2021Highest Observation: 1.75 ft at 7:00AM Sep 21, 2021Highest Observation: 1.75 ft at 7:15AM Sep 21, 2021Highest Observation: 1.75 ft at 7:30AM Sep 21, 2021Observed: 1.74 ft at 7:45AM Sep 21, 2021Observed: 1.74 ft at 8:00AM Sep 21, 2021Observed: 1.74 ft at 8:15AM Sep 21, 2021Observed: 1.74 ft at 8:30AM Sep 21, 2021Observed: 1.74 ft at 8:45AM Sep 21, 2021Observed: 1.74 ft at 9:00AM Sep 21, 2021Observed: 1.74 ft at 9:15AM Sep 21, 2021Observed: 1.74 ft at 9:30AM Sep 21, 2021Observed: 1.74 ft at 9:45AM Sep 21, 2021Observed: 1.74 ft at 10:00AM Sep 21, 2021Observed: 1.74 ft at 10:15AM Sep 21, 2021Observed: 1.74 ft at 10:30AM Sep 21, 2021Observed: 1.74 ft at 10:45AM Sep 21, 2021Observed: 1.74 ft at 11:00AM Sep 21, 2021Observed: 1.74 ft at 11:15AM Sep 21, 2021Observed: 1.74 ft at 11:30AM Sep 21, 2021Observed: 1.74 ft at 11:45AM Sep 21, 2021Observed: 1.74 ft at 12:00PM Sep 21, 2021Observed: 1.74 ft at 12:15PM Sep 21, 2021Observed: 1.74 ft at 12:30PM Sep 21, 2021Observed: 1.74 ft at 12:45PM Sep 21, 2021USGS--Water Resources of the United StatesBGCS2(plotting HGIRG) Graph Created (2:30PM Sep 21, 2021)ObservedLatest observed value: 1.74 ft at 12:45 PM CDT 21-Sep-2021. Flood Stage is 12 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Whetstone River above Big Stone City. During times of high water, forecast crest information can be found in the text products.
Return to Area Map
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 15
Flood Stage: 12
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 26.00 ft on 06/01/1919
(2) 15.93 ft on 04/08/2001
(3) 15.08 ft on 03/13/2007
(4) 14.32 ft on 04/08/1969
(5) 14.21 ft on 04/06/1997
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 8.57 ft on 03/08/2020
(2) 11.97 ft on 03/22/2019
(3) 7.63 ft on 04/23/2018
(4) 11.25 ft on 09/25/2017
(5) 5.46 ft on 07/12/2016
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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
12 The road 2 miles west and 1 mile south of the gauge floods.
About This Location Collapse

Latitude: 45.291667° N, Longitude: 96.487222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 Not Available 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
Aberdeen Weather Forecast Office
824 Brown County 14 South
Aberdeen, SD 57401
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