National Climatic Data Center
U.S. Department of Commerce

Contiguous U.S.
Heating Degree Days
June 1895-2012

National Oceanic and Atmospheric Administration

National Climatic Data Center

Choose from the options below and click "Plot" to create a time series graph.
Data are available from January 1895 through May 2013.

Move mouse towards an axis until highlighted. Left-click mouse to pan. Shift key + left-click to zoom.

1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
27 25 41 23 23 22 27 45 61 36 36 36 57 37 29 41 30 43 33 35 52 66 47 33 25 38 22 22 35 41 24 48 53 57 40 27 24 29 23 24 41 28 30 33 30 28 32 34 30 36 51 38 47 38 21 39 44 32 33 32 47 26 23 52 25 32 28 35 35 38 48 30 33 34 46 30 29 47 22 41 37 28 36 30 36 48 25 60 34 28 45 29 20 28 31 28 31 44 37 21 31 27 31 40 30 28 29 23 41 36 25 23 26 29 41 29 36 30

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