USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

Riverside County, California

Hydrologic Unit Code 18070302

Latitude 33°27'51", Longitude 117°07'26" NAD83

Drainage area 13.1 square miles

Gage datum 1,030.56 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1988	1988-01-17	4.09	27.0
1989	1988-12-24	4.01	13.0
1990	1990-01-19	3.89	6.00
1991	1991-03-01	4.66	225²
1993	1993-01-16	8.12	3,120⁷
1994	1994-02-07	4.06
1995	1995-01-04	4.63	423
1996	1996-03-13	2.85	8.30
1997	1996-11-22	3.09	27.0
1998	1998-02-24	4.31	315
1999	1999		0.00^Bm
2000	2000-02-21	3.05	21.0
2001	2001-02-26	4.34	257
2002	2001-11-24	3.12	9.00^1,2
2003	2003-03-15	5.22	739^C
2004	2004-02-26	3.25	46.0^C
2006	2006-04-04	4.49	6.00^C
2007	2007		0.00^Bm,C
2008	2008-01-07	5.44	427^C
2009	2008-12-17	4.73	117^C
2010	2010-01-21	5.54	492^C
2011	2010-12-22	6.25	1,020^C
2012	2012		0.00^Bm,C
2013	2013		0.00^Bm,C
2014	2014-02-28	4.07	15.0^C
2015	2014-10-31	4.02	12.0^C
2016	2016-01-07	3.91	5.50^C
2017	2017-02-27	5.41	416^C
2018	2018-01-09	3.79	2.14^C
2019	2019-02-14	7.04	1,680^C
2020	2020-04-10	5.05	277^C
2021	2021		0.00^Bm,C
2022	2021-12-24	3.59	7.27^2,C
2023	2023-01-16	5.02	266^C

Peak Streamflow Qualification Codes.

1 -- Discharge is a Maximum Daily Average
2 -- Discharge is an Estimate
7 -- Discharge is an Historic Peak
Bm -- Month of occurrence is unknown or not exact
C -- All or part of the record affected by Urbanization, Mining, Agricultural changes, Channelization, or other

USGS 11042631 PECHANGA C NR TEMECULA CA