National Climatic Data Center
U.S. Department of Commerce

Residential Energy Demand Temperature Index
Contiguous U.S.
April 1895 - 2013

National Oceanic and Atmospheric Administration

National Climatic Data Center


National REDTI Data

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

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REDTI
Degree Days
18951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013
35.520.342.759.433.436.661.849.745.077.646.524.8100.038.957.014.468.445.036.050.80.053.865.761.043.084.312.845.057.951.815.371.152.874.942.534.836.552.550.934.263.866.856.427.759.165.810.314.864.074.130.331.445.829.037.875.149.626.561.115.517.063.529.434.826.015.275.439.741.846.756.160.458.429.627.848.756.563.845.927.394.425.78.847.354.837.712.273.974.554.65.617.321.841.644.930.120.940.848.819.956.547.167.231.835.238.324.322.843.716.917.612.148.131.035.94.038.723.946.6
362.3332.5376.3409.1358.1364.4413.8390.0380.8444.7383.9341.4488.4369.0404.3321.1426.6380.9363.3392.2292.9398.1421.3412.1377.0457.7318.0380.9406.1394.2322.8431.9396.1439.3376.0360.9364.3395.5392.4359.8417.6423.5403.2347.1408.5421.5313.1321.9418.1437.8352.1354.2382.4349.6366.8439.7389.9344.7412.3323.3326.2417.1350.4361.0343.7322.6440.3370.6374.7384.2402.6411.0407.0350.8347.2388.2403.3417.6382.6346.3477.4343.2310.2385.3400.0366.7316.8437.4438.6399.6303.9326.8335.5374.3380.6351.8333.8372.7388.3331.9403.4385.0424.2355.1361.7367.7340.5337.4378.4326.0327.4316.6386.9353.6363.0300.7368.6339.6384.0

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