USGS Water-Year Summary 2021
11042400 Temecula Creek near Aguanga, CA
LOCATION - Lat 33°27'33", long 116°55'22" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.19, T.8 S., R.1 E., Riverside County, CA, Hydrologic Unit 18070302, on right bank of low-water channel, 1.6 mi downstream from Long Canyon, and 3.5 mi northwest of Aguanga.
DRAINAGE AREA - 131 mi².
- WDR CA-89-1: 1958 (peaks above base), 1966 (instantaneous maximum discharge), 1979 (instantaneous maximum discharge), 1980 (instantaneous maximum discharge), 1986 (instantaneous maximum discharge). WSP 1928: Drainage area.
PERIOD OF RECORD - August 1957 to current year.
GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 1,590 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,100 ft³/s, Jan. 16, 1993, gage height, 14.6 ft, from floodmark, from rating curve extended above 1,200 ft³/s, on basis of critical depth computation; no flow for several days in some years.