USGS Water-Year Summary 2019
10288500 Walker Lake Near Hawthorne, NV
LOCATION - Lat 38°40'36", long 118°46'16" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.27, T.10 N., R.29 E., Mineral County, NV, Hydrologic Unit 16050304, 14.5 mi northwest of Hawthorne.
DRAINAGE AREA - 4,050 mi², approximately.
PERIOD OF RECORD - Prior to Oct. 2004 monthend elevations. Aug. 1928 to current year. Occasional readings prior to Aug. 1928.
GAGE - Water-stage recorder. Datum of gage is 4,099.72 ft above National Geodetic Vertical Datum of 1929 (Nevada Highway Dept bench mark). Prior to Dec. 6, 1978, at site 5.5 mi northwest of Hawthorne, at same datum, but based from bench mark from Hawthorne Ammunition Depot.
EXTREMES OUTSIDE PERIOD OF RECORD - An elevation of 4,078.0 ft, adjustment of 1912, was observed Sep. 27, 1908, by U.S. Geological Survey (contents 8,622,000 acre-ft, table now in use). An elevation of about 4,083 ft for 1882 is estimated by Rush (U.S. Geological Survey Hydrologic Investigations Atlas HA-415, 1970), on the basis of bathymetric data.
EXTREMES FOR PERIOD OF RECORD - Maximum contents observed 6,955,000 acre-ft, March 13, 1928, elevation 4,051.8 ft, U.S. Bureau of Indian Affairs. Minimum recorded 945,000 acre-ft, Sep. 30, 2016, elevation 3,907.46 ft.
INSTRUMENTATION - Water temperature monitor Oct. 2004 to Sep. 2005, four times per hour. Discontinued.
EXTREMES FOR PERIOD OF DAILY RECORD - WATER TEMPERATURE: Maximum recorded, 29.5°C, Jul. 13, 2005; minimum recorded, 3.5°C, Feb. 3, 2005.