USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1966	1966-06-02	88.86	1,150
1967	1967-06-16	88.98	1,200
1968	1968-09-23	86.99	540
1969	1969-06-25	91.35	3,700
1970	1970		360^4,Bm
1971	1971-06-06	89.57	1,600
1972	1972-06-27	87.08	740
1973	1973-08-23	88.54	1,130
1974	1974-05-15	87.48	800
1975	1975-04-28	89.45	1,650
1976	1976		240^4,Bm
1977	1977		240^4,Bm
1978	1978-09-12	88.23	1,080
1979	1979-03-22	91.49	4,200
1980	1980-06-05	89.35	1,500
1981	1981		240^4,Bm
1982	1982-07-09	89.92²	1,800
1983	1983-06-20	90.87	2,700
1984	1984-06-17	90.37	2,100
1985	1985-04-22	85.72	620
1986	1986-04-29	88.23	1,100
1987	1987		340^4,Bm
1988	1988		340^4,Bm
1989	1989		340^4,Bm
1990	1990		340^4,Bm
1991	1991-04-14	85.44	457
1992	1992-07-26	91.00	2,960
1993	1993-03-28	90.61	2,370
1994	1994		340^4,Bm
1995	1995		340^4,Bm
1996	1996-03-24	85.18	417
1997	1997-03-19	87.17	793
1998	1998		340^4,Bm
1999	1999-06-06	84.97	386
2000	2000		340^4,Bm
2001	2001-05-07	88.28	1,100
2002	2002		340^4,Bm
2003	2003-06-25	89.28	1,070
2004	2004-09-16	90.68	1,460
2005	2005-05-13	85.51	469
2006	2006-04-09	87.10	564
2007	2007-05-06	91.39	1,850
2008	2008-06-13	90.11	1,270
2009	2009-02-10	88.60¹	838²
2010	2010-06-27	94.30	3,280
2011	2011-07-15	89.47	1,060
2012	2012		352^4,Bm
2013	2013-05-27	91.15	1,750
2014	2014-06-16	88.98	916
2015	2015-08-19	85.29	302
2016	2015-12-14	88.04	1,040
2017	2016-10-05	87.31	599
2018	2018-09-20	94.09	6,790
2019	2019-03-14	92.84¹	4,050²
2020	2020	87.29^4,Bm	882^4,Bm
2021	2021	87.30^4,Bm	884^4,Bm
2022	2022	87.30^4,Bm	883^4,Bm
2023	2023-02-27	88.36	1,100

USGS 06605750 Willow Creek near Cornell, IA