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Peak Streamflow for the Nation

USGS 01591000 PATUXENT RIVER NEAR UNITY, MD

Montgomery County, Maryland
Hydrologic Unit Code 02060006
Latitude  39°14'17.7", Longitude  77°03'20.6" NAD83
Drainage area 34.8  square miles
Gage datum 364.04 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1945 1945-08-01 13.58 8,060
1946 1946-06-02 8.02 1,920
1947 1947-08-21 6.14 1,300
1948 1948-01-01 5.73 1,080
1949 1948-12-30 5.81 1,100
1950 1950-03-23 6.03 1,240
1951 1950-11-25 6.99 1,830
1952 1952-09-01 8.95 3,490
1953 1952-11-22 8.09 2,220
1954 1954-03-01 4.78 494
1955 1955-08-13 8.06 2,200
1956 1956-07-21 14.35 10,700
1957 1957-02-10 3.75 240
1958 1957-12-20 8.17 2,290
1959 1959-09-03 5.57 788
1960 1960-02-19 4.51 446
1961 1961-04-13 5.67 828
1962 1962-05-24 5.39 716
1963 1963-03-06 5.90 920
1964 1964-01-09 6.75 1,340
1965 1965-03-05 5.93 934
1966 1966-09-14 8.90 2,920
1967 1967-08-27 7.52 1,800
1968 1968-09-10 7.01 1,490
1969 1969-07-26 7.18 1,590
1970 1970-05-24 6.28 1,090
1971 1971-09-11 18.60 21,800
1972 1972-06-22 16.10 14,500
1973 1973-04-01 6.00 965
1974 1974-03-30 5.99 961
1975 1975-09-26 12.69 7,680
1976 1976-01-01 7.82 2,040
1977 1976-10-09 6.41 1,160
1978 1978-01-26 8.75 2,790
1979 1979-09-06 9.15 3,150
1980 1979-10-01 11.72 6,190
1981 1981-02-11 4.37 422
1982 1982-02-03 5.82 925
1983 1983-06-21 7.76 2,010
1984 1983-12-13 6.69 1,330
1985 1985-02-12 8.24 2,370
1986 1986-04-16 4.47 451
1987 1986-12-25 6.43 1,200
1988 1988-05-24 7.08 1,550
1989 1989-05-06 10.54 4,640
1990 1989-11-16 5.75 893
1991 1990-10-23 8.82 2,850
1992 1992-07-25 5.06 639
1993 1993-03-04 6.85 1,420
1994 1993-11-28 8.97 2,980
1995 1995-01-20 5.99 996
1996 1996-09-06 10.52 4,610
1997 1996-12-13 6.60 1,290
1998 1998-03-21 7.60 1,890
1999 1999-09-16 5.32 731
2000 2000-09-26 5.22 695
2001 2001-06-23 5.50 799
2002 2002-05-28 4.34 414
2003 2003-06-13 9.81 3,900
2004 2003-12-11 10.02 4,120
2005 2005-06-10 7.25 1,760
2006 2006-06-27 10.36 4,330
2007 2006-11-16 10.31 4,420
2008 2008-05-12 5.95 1,060
2009 2009-07-24 4.54 500
2010 2009-12-26 6.22 1,190
2011 2011-09-08 6.92 1,560
2012 2012-07-09 7.18 1,710
2013 2013-01-31 10.49 4,620
2014 2014-04-30 8.81 2,680
2015 2015-06-27 8.76 2,640
2016 2016-07-30 9.83 3,740
2017 2017-07-29 5.57 848
2018 2018-07-22 8.60 2,510
2019 2019-07-08 8.01 2,070
2020 2019-11-01 9.12 2,960
2021 2021-09-23 8.54 2,290
2022 2022-05-23 6.84 1,390
2023 2022-12-23 6.35 1,160