USGS Water-Year Summary for Site 05592050

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	Available Parameters
	00060 Discharge(Mean)
	00065 Gage height(Mean)

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Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023

05592050 ROBINSON CREEK NEAR SHELBYVILLE, IL

LOCATION - Lat 39°24'21.2", long 88°53'48.5" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.17, T.11 N., R.3 E., Shelby County, IL, Hydrologic Unit 07140201, on right bank at upstream side of bridge on State Highway 16, 0.1 mi downstream from Mud Creek, 4.5 mi west of Shelbyville, and at mile 9.1.

DRAINAGE AREA - 93.1 mi².

REVISIONS HISTORY -

On July 28, 2020, discharge for June 19-29, 2015, was revised due to an error in the shifted rating.

On July 28, 2020, the peak discharge for the 2015 Water Year on June 19, 2015, was revised due to an error in the shifted rating.

Revisions: Gage datum was updated to 550.16 ft NAVD88 on June 6, 2023, as determined by a GNSS Level II survey. Gage datum was previously published as 550.00 ft NGVD29 (549.71 ft NAVD88) from levels by U.S. Army Corps of Engineers.

SURFACE-WATER RECORDS

PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE
  DISCHARGE: October 1979 to current.
  STAGE: Water years 1994 to current. Gage-height record for June 22, 1973 to
    Sept. 30, 1979, available in files of U.S. Army Corps of Engineers.

GAGE - Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter, and crest-stage gage. Datum of gage is 550.16 ft above North American Vertical Datum of 1988.

REMARKS - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IL Water Science Center.

EXTREMES OUTSIDE PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Flood of June 28, 1957, reached a stage of 16.8 ft, present site and datum, with a discharge estimated at 26,400 ft³/s.

EXTREMES FOR PERIOD OF RECORD -
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 11,300 ft³/s, May 2, 1983, gage height, 13.37 ft; maximum gage height, 14.92 ft, Sept. 23, 1993, and Dec. 27, 2015, discharge, 10,700 ft³/s; no flow for many days in 1982-85, 1988-89, and 1991.