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Hydrograph River at a Glance Download
Perry Creek near Hinton Stage (ft)Flow (cfs)Observed: 17.97 ft at 8:00PM Jul 20, 2021Observed: 16.31 ft at 12:15AM Jul 21, 2021Observed: 16.54 ft at 12:30AM Jul 21, 2021Observed: 17.2 ft at 1:00AM Jul 21, 2021Observed: 18.09 ft at 9:30AM Jul 21, 2021Observed: 17.56 ft at 3:30PM Jul 21, 2021Observed: 17.78 ft at 10:30AM Jul 22, 2021Observed: 17.95 ft at 7:00PM Jul 22, 2021Observed: 18.12 ft at 9:45PM Jul 22, 2021Observed: 17.72 ft at 3:15AM Jul 23, 2021Observed: 17.77 ft at 3:45AM Jul 23, 2021Observed: 17.82 ft at 5:00AM Jul 23, 2021Observed: 17.91 ft at 3:00PM Jul 23, 2021Observed: 18.11 ft at 1:15AM Jul 24, 2021Observed: 17.9 ft at 7:30AM Jul 24, 2021Observed: 18.09 ft at 11:30PM Jul 24, 2021Observed: 17.85 ft at 11:45PM Jul 24, 2021Observed: 18.07 ft at 12:00AM Jul 25, 2021Observed: 17.9 ft at 12:15AM Jul 25, 2021Observed: 18.03 ft at 12:30AM Jul 25, 2021Observed: 18.02 ft at 12:45AM Jul 25, 2021Observed: 18.04 ft at 7:00AM Jul 25, 2021Observed: 18.05 ft at 7:15AM Jul 25, 2021Observed: 17.92 ft at 6:30AM Jul 26, 2021Observed: 17.95 ft at 10:15AM Jul 26, 2021Observed: 18.18 ft at 10:30AM Jul 26, 2021Observed: 18.11 ft at 10:45AM Jul 26, 2021Observed: 18.16 ft at 11:15PM Jul 26, 2021Observed: 18.16 ft at 9:00AM Jul 27, 2021Observed: 18.1 ft at 9:30AM Jul 27, 2021Observed: 17.65 ft at 3:15PM Jul 27, 2021Observed: 18.05 ft at 12:30AM Jul 28, 2021Highest Observation: 18.32 ft at 1:00AM Jul 28, 2021Observed: 18.16 ft at 9:00AM Jul 28, 2021Observed: 18.2 ft at 11:45AM Jul 28, 2021Observed: 17.99 ft at 6:15AM Jul 29, 2021Observed: 18.06 ft at 7:15AM Jul 29, 2021Observed: 18.27 ft at 10:15AM Jul 29, 2021Observed: 18.31 ft at 7:30AM Jul 30, 2021USGS--Water Resources of the United StatesPCHI4(plotting HGIRG) Graph Created (10:34AM Jul 30, 2021)ObservedLatest observed value: 18.31 ft at 7:30 AM CDT 30-Jul-2021. Flood Stage is 28 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: Not Available
NOTE: No forecasts are available for this location

NOTE: Forecasts are not available for the Perry Creek near Hinton. Only observed stages are available for this point.

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Upstream Gauge - near Millnerville Upstream Gauge Downstream Gauge Downstream Gauge - at Sioux City
Flood Categories (in feet)
Major Flood Stage: 32
Moderate Flood Stage: 30
Flood Stage: 28
Action Stage: 24
Low Stage (in feet): -9999

Historic Crests
(1) 32.68 ft on 06/17/2014
(2) 31.73 ft on 07/30/2010
(3) 30.50 ft on 03/13/2019
(4) 29.56 ft on 07/10/2002
(5) 29.32 ft on 05/22/2004
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(P): Preliminary values subject to further review.

Recent Crests
(1) 16.74 ft on 09/01/2020
(2) 30.50 ft on 03/13/2019
(3) 21.24 ft on 12/25/2016
(4) 32.68 ft on 06/17/2014
(5) 23.88 ft on 05/27/2013
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

Zoom Level:14
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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.
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32 major flooding of agricultural land begins, and County Road K22 begins flooding.
30 moderate flooding of agricultural land begins.
28 minor flooding of agricultural land begins.
(1) Upstream View
(2) Downstream View
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Latitude: 42.619722° N, Longitude: 96.372222° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 28 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 1150 ft 1178 ft 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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NWS Information
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Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 2-Nov-2020 7:29 PM
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