USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

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Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
1947	1947-08-16	0.74²	20.0⁵
1948	1948-07-21	0.81	23.0⁵
1949	1949-09-01	0.80²	25.0⁵
1950	1950-05-24	0.68²	18.0⁵
1951	1950-11-25	0.81²	25.0⁵
1952	1952-08-10	0.83	25.0⁵
1953	1953-07-21	0.95	29.0⁵
1954	1954-09-11	1.80¹	32.0⁵
1955	1955-08-12	1.52¹	32.0^5,9
1956	1955-10-16	1.46¹	31.0⁵
1957	1957-05-20	0.98^1,2	28.0⁵
1958	1958-07-30	1.30¹	28.0⁵
1959	1959-07-11	1.38¹	30.0⁵
1960	1960-07-03	1.17^1,2	28.0⁵
1961	1961-07-20	1.26¹	24.0⁵
1962	1962-03-12	0.86^1,2	24.0⁵
1963	1962-12-31	0.97^1,2	26.0⁵
1964	1963-11-30	1.61	44.0⁵
1965	1965-08-02	1.09	33.0⁵
1966	1966-01-31	1.45	41.0⁵
1967	1967-07-25	0.90	27.0⁵
1968	1968-06-27	1.07¹	28.0⁵
1969	1969-07-28	1.01	31.0⁵
1970	1969-12-26	1.57¹	43.0⁵
1971	1971-02-08	1.21	36.0⁵
1972	1972-08-15	1.28²	38.0⁵
1973	1973-06-30	1.63	45.0⁵
1974	1974-09-02	1.79	47.0⁵
1975	1975-06-12	1.51	42.0⁵
1976	1975-11-12	1.42	41.0⁵
1977	1977-07-25	1.22²	36.0⁵
1978	1978-08-12	2.15	51.0⁵
1979	1979-09-30	1.50^1,2	38.0⁵
1980	1979-10-01	1.41¹	37.0⁵
1981	1980-10-25	1.77	47.0⁵
1982	1982-06-05	2.18	52.0⁵
1983	1983-04-16	1.76	45.0⁵
1984	1984-07-27	1.77	45.0⁵
1985	1985-02-12	1.49	42.0⁵
1986	1986-08-03	1.38	40.0⁵
1987	1987-04-04	1.19	35.0⁵
1988	1988-03-26		38.0⁵
1989	1989-08-11	1.98	49.0⁵
1990	1990-08-24	2.71	77.0⁵
1991	1991-08-19	2.02	60.0⁵
1992	1992-06-05	1.83	55.0⁵
1993	1992-12-11	1.39²	42.0⁵
1994	1994-09-23	1.25	38.0⁵
1995	1995-09-17	1.30	40.0⁵
1996	1996-09-17	1.66	35.0⁵
1997	1996-10-19	1.80²	39.0⁵
1998	1998-06-13	2.39	69.0⁵
1999	1999-01-03	2.02	54.0⁵
2000	2000-06-06	1.87	51.0⁵
2001	2001-03-30	2.20	64.0⁵
2002	2002-06-06	1.33	20.0⁵
2003	2003-05-26	1.95	57.0⁵
2004	2004-09-29	1.80	49.0⁵
2005	2005-07-25	1.91	41.0⁵
2006	2005-10-14	2.29	51.0⁵
2007	2007-07-18	2.16	49.0⁵
2008	2008-03-08	1.97	27.0⁵
2009	2009-07-24	1.92	42.0⁵
2010	2010-03-30	2.18	49.0⁵
2011	2010-10-14	1.14²	22.0^2,5
2012	2012-04-23	1.17²	22.0⁵
2013	2012-12-21	1.59²	32.0⁵
2014	2014-03-30		21.0^1,2,5
2015	2014-12-09		20.0^1,2,5
2016	2016-07-05	0.57	16.0⁵
2017	2017-03-14	0.65²	20.0⁵
2018	2018-03-02	0.75²	23.3^2,5
2019	2019-04-27	0.78²	23.1^2,5
2020	2019-12-14		31.8^2,5
2021	2021-08-28	0.89²	27.8⁵
2022	2022-04-19	0.77²	23.0⁵
2023	2023-03-14	0.96^1,2	22.2^2,5

USGS 01305500 SWAN RIVER AT EAST PATCHOGUE NY