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Water-Year Summary for Site 05483450

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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
05483450 Middle Raccoon River near Bayard, IA
LOCATION - Lat 41°46'44.7", long 94°29'34.8" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 SW 1/4 sec.32, T.81 N., R.31 W., Guthrie County, IA, Hydrologic Unit 07100007, on left bank 15 ft downstream from bridge on State Highway 25, 5.8 mi southeast of Bayard, 0.2 mi downstream from Battle Run Creek, 1.8 mi upstream from Springbrook Creek, 10.3 mi upstream from dam at Lake Panorama, 30.2 mi upstream from mouth, and 78.0 mi upstream from mouth of Raccoon River.
DRAINAGE AREA - 375 mi².
REVISIONS HISTORY - Revisions: Gage datum was updated to 1,039.71 ft NAVD88 on July 12, 2022, as determined by a GNSS Level II survey. Gage datum was previously published as 1,040.00 ft NGVD29 from levels.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Discharge records from March 1979 to current year; occasional low-flow measurements, water years 1976-1977.
GAGE - Water-stage recorder. Datum of gage is 1,039.71 ft above NAVD of 1988. Prior to June 23, 1979, non-recording gage at same site and 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 of July 3, 1973, reached a stage of 21.63 ft, from contracted-opening measurement, discharge 14,600 ft³/s.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1979-1985.
PERIOD OF DAILY RECORD -
SPECIFIC CONDUCTANCE: Daily instantaneous values collected in conjunction with suspended-sediment samples, March 1979 to September 1985, records fragmentary.
WATER TEMPERATURE: Daily instantaneous values collected in conjunction with suspended-sediment samples, March 1979 to September 1985, records fragmentary.
SUSPENDED-SEDIMENT CONCENTRATION AND DISCHARGE: March 1979 to September 1985.