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Peak Streamflow for the Nation

USGS 01087000 BLACKWATER RIVER NEAR WEBSTER, NH

Merrimack County, New Hampshire
Hydrologic Unit Code 01070003
Latitude  43°17'49", Longitude  71°41'42" NAD27
Drainage area 129  square miles
Gage datum 431.17 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)
1919 1919-03-30 14.50 2,480
1920 1920-03-28 16.00 2,850
1927 1927-03-18 11.60 1,790
1928 1927-11-06 15.40 2,700
1929 1929-03-25 11.10 1,680
1930 1930-03-11 9.50 1,360
1931 1931-04-13 10.50 1,560
1932 1932-04-14 12.90 2,080
1933 1933-04-20 16.40 2,950
1934 1934-04-14 16.40 2,950
1935 1935-01-12   1,850
1936 1936-03-19 11.78 11,000
1937 1937-05-16 7.23 2,410
1938 1938-09-22 10.47 6,880
1939 1939-04-21 7.01 2,230
1940 1940-05-04 6.96 2,180
1941 1941-02-10 5.39 1,0406
1942 1942-06-18 6.66 1,9306
1943 1943-04-30 6.20 1,5806
1944 1944-04-28 6.24 1,6106
1945 1945-04-01 6.53 1,8306
1946 1946-03-18 5.96 1,3906
1947 1947-04-14 5.95 1,4006
1948 1948-03-25 5.73 1,2506
1949 1949-01-02 5.601 1,1406
1950 1950-04-07 5.89 1,3406
1951 1951-04-16 7.18 2,3906
1952 1952-04-10 7.18 2,3906
1953 1953-04-04 7.10 2,3206
1954 1954-05-14 6.85 2,1006
1955 1955-08-16 5.86 1,3206
1956 1956-05-04 6.89 2,1306
1957 1957-01-25 4.30 4806
1958 1958-04-25   2,1506
1959 1959-04-06 7.05 2,2206
1960 1960-04-09 7.06 2,2206
1961 1961-04-25 5.92 1,3106
1962 1962-04-04 7.11 2,2706
1963 1963-04-04 6.23 1,5306
1964 1964-04-19 6.70 1,9106
1965 1965-04-18 5.27 9346
1966 1966-03-27 5.49 1,0506
1967 1967-04-07 6.17 1,4906
1968 1968-03-29 6.64 1,8606
1969 1969-04-30 7.05 2,2206
1970 1970-02-13 6.39 1,6606
1971 1971-05-06 6.24 1,5406
1972 1972-04-21 6.37 1,6506
1973 1973-04-06 6.71 1,9206
1974 1974-04-16 6.00 1,3706
1975 1975-04-22 6.43 1,6906
1976 1976-04-05 6.66 1,8806
1977 1977-03-22 6.82 2,0106
1978 1977-10-19 6.18 1,5006
1979 1979-03-28 6.79 1,9906
1980 1980-04-12 6.50 1,7406
1981 1981-02-25 6.59 1,8206
1982 1982-04-21 6.69 1,9006
1983 1983-03-24 6.42 1,6806
1984 1983-12-16 6.77 1,9706
1985 1985-03-14 5.41 1,0106
1986 1986-04-02   1,6006
1987 1987-04-16 7.01 2,1806
1988 1988-05-01 6.19 1,5006
1989 1989-05-04 6.37 1,6406
1990 1990-03-22 6.77 1,9706
1991 1990-11-12 6.04 1,4006
1992 1992-03-13 5.62 1,1306
1993 1993-04-16 6.93 2,1106
1994 1994-04-15 6.58 1,8106
1995 1994-12-28 5.95 1,3406
1996 1996-04-25 7.03 2,2006
1997 1996-10-25 7.06 2,2206
1998 1998-04-07 6.84 2,0306
1999 1999-09-19 6.40 1,7306
2000 2000-04-11 6.84 2,0806
2001 2001-05-03 6.73 1,9906
2002 2002-05-15 5.44 1,1006
2003 2003-04-01 6.57 1,8606
2004 2004-04-05 6.13 1,5406
2005 2005-04-06 6.83 2,0706
2006 2006-05-31 6.98 2,0506
2007 2007-04-25 6.87 1,9506
2008 2008-04-21 6.70 1,8106
2009 2009-04-08 6.81 1,8906
2010 2010-03-25 6.67 1,7806
2011 2011-08-30 6.89 2,0406
2012 2011-12-09 5.85 1,3006
2013 2012-12-23 6.09 1,4506
2014 2014-04-17 6.64 1,8406
2015 2015-04-16 6.47 1,7106
2016 2016-02-27 6.17 1,5006
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  Peak Gage-Height Qualification Codes.
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  Peak Streamflow Qualification Codes.