USGS Surface Water for USA: Peak Streamflow

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Peak Streamflow for the Nation

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1966	1966-02-09	89.14	530
1967	1967		325^4,Bm
1968	1968		325^4,Bm
1969	1969-07-08	91.30	1,100²
1970	1970-05-14	88.11	325
1971	1971-03-17	90.75	880
1972	1972		340^4,Bm
1973	1973-04-17	89.00	520
1974	1974		340^4,Bm
1975	1975-04-28	90.23	770
1976	1976		340^4,Bm
1977	1977		340^4,Bm
1978	1978-06-15	90.75	790
1979	1979-08-21	91.83	1,080
1980	1980-05-30	91.17	950
1981	1981-06-24	90.62	720
1982	1982-03-16	89.94²	635
1983	1983-09-20	90.19	630
1984	1984-06-16	91.97	1,150
1985	1985-03-11	90.01	595
1986	1986-03-18	90.42	700
1987	1987		145^4,Bm
1988	1988		145^4,Bm
1989	1989-03-14	89.01	415
1991	1991-05-18	91.40	980
1992	1992-05-17	90.59	715
1993	1993-04-01	91.75	1,090
1994	1994-04-12	90.85	820
1995	1995-05-28	89.86	590
1996	1996-03-24	90.63¹
1997	1997-03-21	90.89¹
1998	1998-06-21	90.96	840
1999	1999-07-21	91.92	1,150
2000	2000-07-02	88.71	390
2001	2001-04-11	90.75	789
2002	2002-08-05	89.68	561
2003	2003-05-06	89.07	448
2004	2004-05-22	92.21	1,270
2005	2005-04-19	89.65	555
2006	2006-03-30	90.19	666
2007	2007-03-15	91.13	894
2008	2008-06-08	93.28	2,380
2009	2009-02-10	90.26¹	680²
2010	2010-03-12	90.76¹	1,070²
2011	2011-03-23	90.27	917
2012	2012		357^4,Bm
2013	2013-06-13	89.97	577
2014	2014-06-19	90.95	828
2015	2015-07-24	90.87	800
2016	2016-09-22	92.25	1,830
2017	2017-02-21	89.23	388
2018	2018-06-09	92.25	1,790
2019	2019-03-14	90.16	628²
2020	2020-05-26	89.70	503
2021	2021-08-28	87.96	175
2022	2022-06-16	89.67	496
2023	2023-05-14	88.97	338
2024	2023-10-26	86.75

USGS 05460100 Willow Creek near Mason City, IA