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Water-Year Summary for Site 05471500

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
05471500 South Skunk River near Oskaloosa, IA
LOCATION - Lat 41°21'20.5", long 92°39'25.8" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 SW 1/4 sec.25, T.76 N., R.16 W., Mahaska County, IA, Hydrologic Unit 07080105, on left bank 10 ft downstream from bridge on U.S. Highway 63, 4.0 mi north of Oskaloosa, 0.3 mi downstream from Painter Creek, 51.2 mi upstream from confluence with North Skunk River, and 145.9 mi upstream from mouth of Skunk River.
DRAINAGE AREA - 1,635 mi².
REVISIONS HISTORY - WSP 1438: Drainage area. WDR IA-95-1: Location.
PERIOD OF RECORD - Discharge records from October 1945 to current year. Prior to October 1966, published as "Skunk River near Oskaloosa"; prior to October 1948, monthly mean discharge for some periods published in WSP 1308.
GAGE - Water-stage recorder. Datum of gage is 685.50 ft above National Geodetic Vertical Datum of 1929. Prior to November 21, 1947, non-recording gage at same site and datum; November 21, 1947, to May 3, 1995, at site 400 ft upstream at same datum.
REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood in May 1944 reached a stage of 25.8 ft, from high-water mark, discharge 37,000 ft³/s, from rating curve extended above 18,000 ft³/s on basis of velocity-area study.