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Peak Streamflow for the Nation

USGS 01100500 MERRIMACK RIVER AT LAWRENCE, MA

Essex County, Massachusetts
Hydrologic Unit Code 010700
Latitude  42°42'17.4", Longitude  71°09'11.3" NAD83
Drainage area 4,672.00  square miles
Contributing drainage area 4,458.00  square miles
Gage datum 0.00 feet above NAVD88
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Water
Year		 Date Gage
Height
(feet)		 Stream-
flow
(cfs)
1852 1852-04-23 44.12 108,0006,7
1880 1880-04-06   29,2006
1881 1881-03-12   31,4006
1882 1882-03-04   38,8006
1883 1883-04-15   36,4006
1884 1884-03-29   60,2006
1885 1885-04-24   25,6006
1886 1886-02-15   59,4006
1887 1887-04-13   51,2006
1888 1888-05-01   48,7006
1889 1888-12-19   43,7006
1890 1890-03-24   38,3006
1891 1891-03-25   52,1006
1892 1892-05-24   32,1006
1893 1893-05-06   57,7006
1894 1894-03-09   29,2006
1895 1895-04-16   89,9006
1896 1896-03-03   105,0006
1897 1897-07-16   52,8006
1898 1898-03-15   44,4006
1899 1899-04-17   47,8006
1900 1900-02-15   63,5006
1901 1901-04-09   84,5006
1902 1902-03-04   73,1006
1903 1903-03-13   53,6006
1904 1904-05-01   60,6006
1905 1905-03-30   51,8006
1906 1906-05-30   48,7006
1907 1907-04-01   31,3006
1908 1907-11-08   42,0006
1909 1909-04-17   46,5006
1910 1910-03-03   34,5006
1911 1911-03-31   25,2006
1912 1912-04-09   35,4006
1913 1913-03-29   49,1006
1914 1914-04-22   42,7006
1915 1915-02-27   49,1006
1916 1916-05-19   42,8006
1917 1917-03-29   38,5006
1918 1918-04-04   30,8006
1919 1919-03-30   48,7006
1920 1920-03-29   59,5006
1921 1920-12-16   47,9006
1922 1922-04-13   47,4006
1923 1923-05-01   66,2006
1924 1924-04-09   55,2006
1925 1925-03-31   58,5006
1926 1926-04-27   38,8006
1927 1927-03-17   34,8006
1928 1927-11-06   78,9006
1929 1929-05-05   36,8006
1930 1930-04-09   28,7006
1931 1931-06-11   35,6006
1932 1932-04-14   50,9006
1933 1933-04-20   76,2006
1934 1934-04-14   60,8006
1935 1935-01-11   46,5006
1936 1936-03-20 48.00 174,0006
1937 1937-05-17   40,5006
1938 1938-09-23   116,0006
1939 1939-04-21   48,4006
1940 1940-04-14   56,8006
1941 1941-02-10   19,3006
1942 1942-03-11   28,3006
1943 1943-05-14   28,2006
1944 1944-06-26   49,1006
1945 1945-03-23   40,8006
1946 1945-12-09   37,8006
1947 1947-04-14   31,2006
1948 1948-03-24   54,2006
1949 1949-01-08   25,5006
1950 1950-04-23   35,2006
1951 1951-04-05   55,4006
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  Peak Streamflow Qualification Codes.