USGS Water-Year Summary 2020
06438500 CHEYENNE RIVER NEAR PLAINVIEW, SD
LOCATION - Lat 44°31'46", long 101°55'47" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 NE 1/4 sec.34, T.7 N., R.18 E., Ziebach County, SD, Hydrologic Unit 10120112, on SD Highway 34 and 73 bridge, 10.5 mi south of Howes.
DRAINAGE AREA - 21,351 mi² of which 11 mi² probably is noncontributing.
- WDR SD-10-1: Drainage area.
PERIOD OF RECORD - Oct. 1950 to Sept. 1981, Oct. 1994 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,848.70 ft above NAVD of 1988. Prior to Oct. 1994 at site 3 mi upstream at different datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood late in May 1920 reached a stage of about 17.5 ft, previous datum, and flood in May 1927 reached a stage of about 14 ft, previous datum, from information by local residents.
EXTREMES FOR PERIOD OF RECORD - Minimum daily discharge, 0.00 ft³/s, Dec. 14, 19-21, 1961.