National Climatic Data Center
U.S. Department of Commerce


Contiguous U.S.
Heating Degree Days
October 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
353 323 213 268 220 169 235 237 243 272 270 268 301 257 305 205 269 240 251 205 219 275 358 199 220 195 241 222 292 231 377 253 200 218 273 296 193 259 256 239 256 252 282 210 231 248 206 236 275 252 272 224 148 290 205 190 226 315 203 218 231 210 309 243 243 247 234 227 158 293 263 291 263 235 290 248 184 321 207 295 229 360 287 276 264 308 319 259 244 219 237 252 337 341 253 240 236 292 295 262 227 269 267 239 268 239 261 299 261 245 231 295 180 288 336 239 259 266

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