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Residential Energy Demand Temperature Index (REDTI)

Data Access

U.S. Climate RegionsU.S. Climate Regions
U.S. Census DivisionsU.S. Census Divisions
NWS RegionsNWS Regions

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Download: xml csv json
Year REDTI Degree
Days
1895 38.1 299.0
1896 50.9 314.0
1897 24.6 283.3
1898 46.4 308.7
1899 54.1 317.8
1900 77.1 344.6
1901 49.7 312.6
1902 26.6 285.6
1903 25.2 284.0
1904 12.2 268.8
1905 31.0 290.7
1906 48.2 310.9
1907 21.9 280.1
1908 19.2 277.0
1909 39.9 301.1
1910 26.2 285.1
1911 30.4 290.0
1912 14.9 271.9
1913 49.2 312.0
1914 31.9 291.8
1915 9.4 265.5
1916 41.9 303.5
1917 25.4 284.2
1918 68.2 334.2
1919 24.3 282.9
1920 11.3 267.7
1921 27.5 286.6
1922 27.0 286.1
1923 25.8 284.7
1924 45.2 307.3
1925 26.7 285.7
1926 48.4 311.1
1927 0.0 254.5
1928 50.9 314.0
1929 31.6 291.4
1930 38.3 299.3
1931 35.5 296.0
1932 44.7 306.8
1933 32.6 292.6
1934 48.2 310.9
1935 53.2 316.7
1936 82.9 351.4
1937 81.2 349.4
1938 74.6 341.7
1939 47.6 310.1
1940 23.2 281.6
1941 36.2 296.8
1942 21.4 279.5
1943 60.0 324.6
1944 46.9 309.3
1945 27.1 286.2
1946 10.9 267.3
1947 82.5 350.9
1948 33.5 293.7
1949 32.7 292.7
1950 6.2 261.7
1951 46.5 308.9
1952 46.6 309.0
1953 33.4 293.5
1954 49.1 311.9
1955 77.3 344.9
1956 37.4 298.2
1957 27.0 286.1
1958 45.7 307.9
1959 70.2 336.6
1960 43.2 305.0
1961 28.1 287.3
1962 40.4 301.7
1963 26.9 285.9
1964 21.5 279.6
1965 27.2 286.3
1966 25.0 283.7
1967 13.5 270.3
1968 39.3 300.4
1969 44.6 306.6
1970 52.1 315.4
1971 18.6 276.2
1972 25.5 284.3
1973 42.8 304.5
1974 19.3 277.1
1975 43.2 305.0
1976 6.9 262.6
1977 46.3 308.6
1978 46.3 308.6
1979 21.3 279.4
1980 82.3 350.7
1981 26.3 285.2
1982 24.6 283.3
1983 89.5 359.1
1984 51.9 315.2
1985 28.1 287.4
1986 22.7 281.0
1987 52.4 315.8
1988 81.3 349.5
1989 22.7 281.0
1990 39.5 300.7
1991 46.4 308.8
1992 2.5 257.4
1993 59.6 324.2
1994 23.7 282.2
1995 95.6 366.3
1996 37.4 298.2
1997 28.6 287.9
1998 77.9 345.6
1999 57.2 321.4
2000 55.3 319.2
2001 73.7 340.6
2002 68.3 334.3
2003 76.4 343.8
2004 14.4 271.3
2005 84.9 353.8
2006 74.9 342.1
2007 100.0 371.4
2008 35.6 296.1
2009 53.6 317.2
2010 90.2 360.0
2011 88.4 357.8
2012 69.0 335.2
2013 37.0 297.8
2014 40.5 301.9
2015 58.4 322.8
2016 96.1 366.8