National Climatic Data Center
U.S. Department of Commerce


Contiguous U.S.
Heating Degree Days
January 1895-2013

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 April 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 2013
982 874 935 835 893 814 855 913 880 1,007 991 764 816 844 804 896 794 1,075 777 787 907 827 893 1,120 818 961 781 951 799 951 908 883 869 843 944 970 823 723 718 772 880 969 849 855 804 1,109 854 904 892 827 958 851 806 1,013 851 750 851 794 740 870 913 885 960 896 927 874 966 962 1,046 860 890 996 804 964 924 1,045 958 876 883 825 809 958 1,169 1,045 1,066 872 967 1,048 861 984 1,042 843 907 990 777 716 907 840 847 1,010 834 929 916 753 844 869 922 776 946 969 854 670 838 885 958 933 964 769 840

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