National Climatic Data Center
U.S. Department of Commerce

Contiguous U.S.
Heating Degree Days
May 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 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
138 98 154 150 139 128 151 128 124 128 152 145 232 147 172 174 107 128 156 118 191 152 256 111 151 177 142 112 166 204 180 140 168 146 163 143 148 140 145 93 204 97 127 154 113 152 107 136 149 99 201 170 165 171 127 160 134 152 143 189 122 154 147 140 114 160 196 119 161 125 116 185 225 189 133 120 192 136 179 168 118 176 120 156 147 142 163 115 186 169 123 124 107 134 161 182 100 150 127 171 173 162 194 110 140 115 115 184 166 110 179 132 116 186 137 136 155 98

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