USGS Water-Year Summary 2023
13131000 ANTELOPE CREEK NR DARLINGTON ID
LOCATION - Lat 43°44'01", long 113°30'53" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 sec.29, T.5 N., R.25 E., Custer County, ID, Hydrologic Unit 17040218, on right bank 480 ft upstream from private bridge, 7.4 mi. west of Moore, 7.4 mi. southwest of Darlington and 8 mi. upstream from the mouth.
DRAINAGE AREA - 218 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1913 to September 1916 and April 1920 to September 1922 (gage heights only), March 1959, June 1963, November 1966 to August 1968, May 2011 (miscellaneous measurements), August 2017 to current year.
GAGE - Water-stage recorder. Datum of gage is 5,873.98 feet above NAVD 1988.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum discharge, 833 ft3/s, May 28 1921, gage height, 5.0 ft; minimum observed, 3 ft³/s Aug. 4, 6, 7, 9, 1915, gage height 1.06 ft. Site and datum then in use.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 588 ft3/s, June 7, 2019, gage height, 6.37 ft.; minimum daily discharge, 0.45 ft³/s Aug. 9, 2021.