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Peak Streamflow for the Nation

USGS 01650500 NORTHWEST BRANCH ANACOSTIA RIVER NR COLESVILLE, MD

Montgomery County, Maryland
Hydrologic Unit Code 02070010
Latitude  39°03'55.9", Longitude  77°01'45.7" NAD83
Drainage area 21.0  square miles
Gage datum 264.05 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)
1924 1924-09-29 7.99 2,230
1925 1925-02-08 5.05 692
1926 1926-09-26 6.10 1,000
1927 1926-11-16 6.50 1,210
1928 1927-10-03 6.50 1,210
1929 1929-06-21 5.80 913
1930 1930-03-08 6.00 964
1931 1931-07-20 7.00 1,340
1932 1932-03-28 7.50 1,000
1933 1933-08-23 9.30 4,500
1934 1934-03-03 6.80 1,230
1935 1935-05-07 7.00 1,340
1936 1936-01-03 6.50 1,110
1937 1937-08-27 8.20 2,550
1938 1937-11-13 8.14 2,490
1939 1939-01-30 5.60 680
1940 1940-04-08 5.82 730
1941 1940-11-27 5.36 680
1942 1942-08-11 4.21 430
1943 1943-05-12 7.06 1,160
1944 1943-11-08 7.37 1,320
1945 1945-07-27 8.37 2,020
1946 1946-05-28 7.33 1,320
1947 1947-09-07 4.53 500
1948 1948-01-01 7.10 1,190
1949 1949-05-23 8.80 2,030
1950 1950-09-10 7.75 1,240
1951 1950-11-25 9.70 3,960
1952 1952-09-01 9.74 4,110
1953 1953-08-08 10.99 4,910
1954 1954-04-28 6.66 772
1955 1955-08-13 8.73 1,470
1956 1956-07-21 8.86 1,550
1957 1957-06-05 7.37 941
1958 1958-07-09 8.34 1,290
1959 1959-08-08 7.37 941
1960 1960-02-19 7.01 842
1961 1961-04-13 7.75 1,060
1962 1962-03-12 6.79 798
1963 1963-06-05 7.83 1,080
1964 1964-01-09 6.77 814
1965 1965-03-05 8.14 1,210
1966 1966-09-14 9.57 2,100
1967 1967-08-25 9.15 1,740
1968 1968-01-14 7.26 935
1969 1969-08-10 7.82 1,100
1970 1970-04-14 8.56 1,380
1971 1971-08-04 9.87 2,240
1972 1972-06-22 15.89 11,000
1973 1972-12-08 7.12 900
1974 1974-03-30 8.21 1,230
1975 1975-07-15 12.24 6,640
1976 1976-01-01 8.75 1,480
1977 1977-03-22 5.58 588
1978 1978-01-26 9.36 1,960
1979 1979-09-05 11.47 6,300
1980 1979-10-01 8.08 1,190
1981 1981-07-04 5.62 599
1982 1982-02-03 6.41 722
1983 1983-04-15 8.21 1,250
1998 1998-03-21 8.08 1,420
1999 1999-09-16 9.32 2,070
2000 2000-03-21 6.01 795
2001 2001-06-23 9.65 2,410
2002 2002-08-03 6.13 821
2003 2003-09-23 9.92 2,720
2004 2003-12-11 9.85 2,640
2005 2005-01-14 9.13 1,950
2006 2006-06-26 13.61 9,140
2007 2006-11-16 8.34 1,520
2008 2008-05-12 8.48 1,590
2009 2009-05-26 7.19 1,120
2010 2010-08-12 8.69 1,700
2011 2011-09-08 8.45 1,580
2012 2011-12-07 7.46 1,200
2013 2013-06-10 10.13 2,980
2014 2014-04-30 12.26 7,530
2015 2015-06-27 9.51 2,260
2016 2016-05-02 9.30 2,050
2017 2017-07-29 10.07R 2,900R
2018 2018-04-16 8.88R 1,660R
2019 2018-12-16 9.46R 2,000R
2020 2020-09-10 10.60 4,290
2021 2021-09-01 9.50 2,300
2022 2022-07-03 10.11 3,220
2023 2022-12-23 7.07 1,130
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.