Skip to main content
Skip to site search

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

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

Download: xml csv json
Year REDTI Degree
Days
1895 0.0 274.5
1896 38.1 326.4
1897 50.3 343.1
1898 40.2 329.3
1899 27.4 311.9
1900 38.0 326.3
1901 91.2 398.8
1902 27.5 312.0
1903 19.5 301.1
1904 0.3 274.9
1905 16.6 297.1
1906 16.1 296.4
1907 26.3 310.4
1908 34.6 321.6
1909 12.2 291.1
1910 36.3 324.0
1911 33.5 320.2
1912 23.1 306.0
1913 41.4 330.9
1914 33.7 320.4
1915 10.6 288.9
1916 50.8 343.8
1917 37.9 326.2
1918 7.2 284.3
1919 39.1 327.8
1920 8.6 286.2
1921 70.0 369.9
1922 25.4 309.1
1923 19.8 301.5
1924 3.9 279.8
1925 39.0 327.6
1926 24.6 308.0
1927 21.6 304.0
1928 33.0 319.5
1929 22.3 304.9
1930 58.5 354.3
1931 84.7 389.9
1932 46.0 337.2
1933 44.4 335.0
1934 84.9 390.2
1935 57.5 352.9
1936 74.7 376.3
1937 38.4 326.8
1938 33.7 320.5
1939 38.4 326.8
1940 26.6 310.7
1941 38.4 326.9
1942 43.4 333.7
1943 41.8 331.5
1944 31.0 316.8
1945 19.4 301.0
1946 26.5 310.6
1947 5.2 281.6
1948 36.5 324.2
1949 64.6 362.6
1950 1.9 277.1
1951 35.5 322.9
1952 64.1 361.9
1953 46.0 337.2
1954 62.2 359.3
1955 71.9 372.5
1956 22.2 304.8
1957 45.6 336.7
1958 31.7 317.7
1959 37.2 325.2
1960 24.5 307.9
1961 24.1 307.4
1962 13.0 292.2
1963 28.2 312.9
1964 39.6 328.5
1965 12.5 291.5
1966 56.8 351.9
1967 9.4 287.3
1968 24.4 307.8
1969 47.9 339.8
1970 35.9 323.4
1971 16.5 297.0
1972 22.2 304.7
1973 34.0 320.9
1974 32.8 319.2
1975 20.2 302.0
1976 11.9 290.7
1977 58.9 354.8
1978 33.8 320.6
1979 19.7 301.3
1980 76.7 379.0
1981 47.2 338.8
1982 35.3 322.6
1983 57.6 353.0
1984 20.0 301.7
1985 32.2 318.4
1986 54.9 349.3
1987 47.0 338.6
1988 62.9 360.3
1989 34.1 321.0
1990 34.6 321.6
1991 47.7 339.5
1992 22.2 304.7
1993 60.3 356.7
1994 42.0 331.8
1995 56.1 351.0
1996 30.4 316.0
1997 36.1 323.7
1998 61.2 357.9
1999 72.7 373.6
2000 21.2 303.4
2001 30.0 315.4
2002 68.7 368.1
2003 47.7 339.5
2004 23.0 305.9
2005 70.5 370.6
2006 81.7 385.8
2007 28.8 313.7
2008 46.3 337.6
2009 19.7 301.3
2010 77.9 380.7
2011 100.0 410.8
2012 96.3 405.8
2013 49.7 342.2
2014 24.4 307.8
2015 47.6 339.4
2016 82.2 386.6
2017 66.0 364.4
2018 74.7 376.3