Residential Energy Demand Temperature Index (REDTI)

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• Overview

Data Access

Region: Contiguous U.S. -- U.S. Climate Regions -- Northeast East North Central Central Southeast West North Central South Southwest Northwest West -- U.S. Census Divisions -- New England Middle Atlantic East North Central West North Central South Atlantic East South Central West South Central Mountain Pacific -- NWS Regions -- Eastern Region Southern Region Central Region Western Region -- States -- Alabama Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Iowa Idaho Illinois Indiana Kansas Kentucky Louisianna Massachusettes Maryland Maine Michigan Minnesota Missouri Mississippi Montana North Carolina North Dakota Nebraska New Hampshire New Jersey New Mexico Nevada New York Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Virginia Vermont Washington Wisconsin West Virginia Wyoming Month: January February March April May June July August September October November December Annual Period: 1-Month 3-Month 6-Month Year-to-Date

U.S. Climate Regions

U.S. Census Divisions

NWS Regions

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Year	REDTI	Degree Days
1895	38.1	298.9
1896	50.9	313.9
1897	24.6	283.1
1898	46.4	308.6
1899	54.2	317.8
1900	77.1	344.5
1901	49.5	312.3
1902	26.6	285.5
1903	25.3	284.0
1904	12.1	268.6
1905	31.0	290.6
1906	48.3	310.9
1907	22.0	280.1
1908	19.2	276.9
1909	39.9	301.1
1910	26.2	285.0
1911	30.4	289.9
1912	15.0	271.9
1913	49.3	312.0
1914	31.8	291.6
1915	9.4	265.4
1916	42.0	303.5
1917	25.3	284.0
1918	68.1	334.0
1919	24.3	282.8
1920	11.3	267.6
1921	27.5	286.5
1922	27.0	286.0
1923	25.9	284.7
1924	45.3	307.3
1925	26.7	285.6
1926	48.5	311.1
1927	0.0	254.4
1928	50.9	313.9
1929	31.6	291.3
1930	38.3	299.2
1931	35.5	295.9
1932	44.7	306.7
1933	32.5	292.4
1934	48.2	310.8
1935	53.1	316.5
1936	82.8	351.2
1937	81.2	349.3
1938	74.5	341.5
1939	47.6	310.0
1940	23.2	281.5
1941	36.2	296.7
1942	21.4	279.4
1943	60.1	324.6
1944	46.9	309.2
1945	27.2	286.2
1946	11.0	267.3
1947	82.5	350.8
1948	33.4	293.5
1949	32.6	292.5
1950	6.0	261.4
1951	46.4	308.6
1952	46.6	308.9
1953	33.4	293.4
1954	49.0	311.7
1955	77.2	344.7
1956	37.3	298.0
1957	27.1	286.1
1958	45.8	307.9
1959	70.2	336.5
1960	43.2	304.9
1961	27.9	287.0
1962	40.5	301.7
1963	26.9	285.8
1964	21.6	279.6
1965	27.1	286.1
1966	24.9	283.5
1967	13.5	270.2
1968	39.3	300.3
1969	44.6	306.5
1970	52.1	315.3
1971	18.7	276.3
1972	25.5	284.2
1973	42.7	304.3
1974	19.3	277.0
1975	43.2	304.9
1976	7.1	262.7
1977	46.4	308.6
1978	46.3	308.5
1979	21.3	279.3
1980	82.3	350.6
1981	26.3	285.2
1982	24.6	283.1
1983	89.6	359.2
1984	51.9	315.1
1985	28.0	287.1
1986	22.6	280.8
1987	52.4	315.7
1988	81.3	349.4
1989	22.8	281.0
1990	39.3	300.4
1991	46.4	308.6
1992	2.5	257.3
1993	59.6	324.1
1994	23.6	282.0
1995	95.6	366.1
1996	37.3	298.0
1997	28.6	287.8
1998	77.9	345.5
1999	57.3	321.4
2000	55.2	318.9
2001	73.7	340.6
2002	68.2	334.1
2003	76.4	343.7
2004	14.4	271.2
2005	84.9	353.7
2006	74.9	342.0
2007	100.0	371.3
2008	35.6	296.0
2009	53.6	317.1
2010	90.2	359.9
2011	88.4	357.7
2012	69.1	335.2
2013	37.0	297.7
2014	40.5	301.8
2015	58.1	322.3
2016	95.3	365.8
2017	40.4	301.6