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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
06853020 Republican River at Guide Rock, Nebr.
LOCATION - Lat 40°03'51", long 98°19'51" referenced to North American Datum of 1983, in sec.09, T.1 N., R.9 W., Webster County, NE, Hydrologic Unit 10250016, on right downstream bank at Nebraska State Highway 78 bridge, 0.2 mile downstream from Minnie Creek and 0.5 mile south of Guide Rock.
DRAINAGE AREA - 22,100 mi² of which 7,490 mi² probably is noncontributing.
REVISIONS HISTORY - WDR NE-97-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1950 to current year. August 1950 to September 1984 and October 2008 to September 2011, published as Republican River near Guide Rock (06853000).
GAGE - Water-stage recorder with satellite telemetry. Datum of gage is 1,616.15 ft above sea level, levels by U.S. Corps of Engineers. Prior to Oct. 1, 1959, at datum 12.98 ft higher, and Nov. 3, 1959 to Nov. 28, 1984, at datum 7.98 ft higher, both at site 3.1 mi upstream (designated as station 06853000). Nov. 29, 1984 to Oct. 30, 2008 at current site and datum. Oct. 31, 2008 to Sept. 29, 2011 at site 3.1 mi upstream (station 06853000) at datum 7.98 ft higher.
REMARKS - Accuracy of records for water years prior to 2014 are noted in the individual Annual Data Reports for those water years. For water years 2014 onward, records fair to good except for estimated daily discharges, which are poor, unless otherwise noted. Natural flow affected by irrigation development above station, by regulation of upstream reservoirs, and since Nov. 14, 1952, by storage in Harlan County Lake (station 06849000).
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum flood since at least 1826 occurred June 1 or 2, 1935, discharge, about 250,000 ft³/s, from slope-area measurements near Bloomington and Hardy.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow, 29,200 ft³/s, June 16, 1957, gage height, 20.73 ft, at site (station 06853000) and datum then in use.
