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Peak Streamflow for the Nation

USGS 06483950 BIG SIOUX RIVER NEAR HAWARDEN, IA

Union County, South Dakota
Hydrologic Unit Code 10170203
Latitude  43°03'05", Longitude  96°29'22" NAD27
Drainage area 7,566  square miles
Contributing drainage area 6,682  square miles
Gage datum 1,150.00 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
2015 2015-07-09 18.30 6,290
2016 2016-05-02 22.38 11,300
2017 2017-05-23 20.35 8,180
2018 2018-06-22 34.00 50,800
2019 2019-03-15 35.20 58,100
2020 2020-03-30 23.02 12,500
2021 2021-08-30 17.30 5,070
2022 2022-06-01 18.88 6,820
2023 2023-04-13 22.89 12,400