USGS Water-Year Summary 2020
10259050 Palm Canyon Wash near Cathedral City, CA
LOCATION - Lat 33°47'50", long 116°28'52" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.29, T.4 S., R.5 E., Riverside County, CA, Hydrologic Unit 18100201, on right bank, 10 ft upstream from Golf Club Drive, 0.5 mi upstream from Whitewater River, and 1.5 mi northeast of Cathedral City.
DRAINAGE AREA - 139 mi².
PERIOD OF RECORD - January 1988 to current year.
GAGE - Water-stage recorder and concrete control. Elevation of gage is 330 ft above NGVD of 1929, from topographic map. Prior to Nov. 20, 2007, at site 0.1 mi upstream at different datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,280 ft³/s, Jan. 16, 1993, gage height, 8.70 ft, from rating curve extended above 1,350 ft³/s, maximum gage height, 9.46 ft, Jan. 11, 2005; no flow for most of each year.