USGS Water-Year Summary 2020
06320000 ROCK CREEK NEAR BUFFALO, WY
LOCATION - Lat 44°27'22", long 106°52'42" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 NW 1/4 sec.29, T.52 N., R.83 W., Johnson County, WY, Hydrologic Unit 10090206, on left bank 300 ft downstream from confluence of North and South Forks and 11.5 mi northwest of Buffalo.
DRAINAGE AREA - 60 mi².
PERIOD OF RECORD - April to August 1941, April to December 1942, May 1943 to November 1944, April 1945 to current year (no winter records since 1971). Monthly discharge only for some periods, published in WSP 1309.
GAGE - Water-stage recorder. Elevation of gage is 5,280 ft above NGVD of 1929, from topographic map. Prior to January 8, 1944, nonrecording gages 600 ft upstream from station on North and South Forks at different datums, January 8, 1944 to September 30, 1952, water-stage recorder at present site at datum 0.72 ft lower. Wyoming State Engineer's data collection platform with satellite telemetry at station.
COOPERATION - Station operated and recorded provided by the Wyoming State Engineer's Office; record reviewed by U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Maximum peak flow on basis of slope-area measurement.