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Streamflow Measurements for South Dakota

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! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 433910103251000 FLYNN CR AB MADISON OUTCROP NR FAIRBURN, SD
Custer County, South Dakota
Hydrologic Unit Code 10120109
Latitude  43°39'10", Longitude 103°25'10" NAD27
Gage datum 4,200.00 feet above NGVD29
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
41996-05-22 09:45MDTYesJSC/JEHUSGS2.04 ExcellentClearNONE
31995-08-10 15:06MDTYesDGD/NEDUSGS7.17 Excellent NONE
21995-06-30 10:40MDTYesDGD/JBFUSGS12.3 Excellent NONE
11995-06-08 14:40MDTYesDGDUSGS25.8 Fair NONE