Weekly Observed and Projected Heating Degree Day (HDD) Statistics by Climate Region Last Last Last Next Next Next Season- Season- Season- Week Week Week Week Week Week to-Date to-Date to-Date Observed Observed Observed Projected Projected Projected Observed Observed Observed Avg Temp HDD HDD Avg Temp HDD HDD Avg Temp HDD HDD Percentile Total Anomaly Percentile Total Anomaly Percentile Anomaly Pct of Nml 4-Mar-09 4-Mar-09 4-Mar-09 11-Mar-09 11-Mar-09 11-Mar-09 1-Nov-08 1-Nov-08 1-Nov-08 Region # Region Name thru thru thru thru thru thru thru thru thru 10-Mar-09 10-Mar-09 10-Mar-09 17-Mar-09 17-Mar-09 17-Mar-09 10-Mar-09 10-Mar-09 10-Mar-09 1 NORTHERN NEW ENGLAND 57.3 297.4 -5.3 14.0 313.6 +28.4 36.4 +274.0 104.7 2 NORTHEAST NEW ENGLAND 35.8 266.4 +9.1 17.1 263.8 +21.4 25.9 +459.9 109.2 3 NORTHERN NEW YORK 83.2 238.1 -24.5 40.5 259.1 +10.6 40.5 +231.4 104.6 4 SOUTHERN NEW ENGLAND 64.0 209.9 -6.9 44.1 209.6 +5.1 31.5 +327.8 107.8 5 EASTERN GREAT LAKES 92.5 189.2 -45.1 32.6 232.0 +9.4 33.4 +307.5 106.9 6 OHIO 99.5 111.5 -84.6 48.3 181.6 -2.5 30.0 +326.3 108.1 7 MID-ATLANTIC COAST 87.2 140.3 -29.7 35.1 166.0 +7.5 36.2 +252.9 107.4 8 NORTHERN APPALACHIAN 91.4 172.3 -41.7 35.5 207.8 +5.6 31.6 +302.3 107.2 9 CENTRAL APPALACHIAN 98.7 110.1 -68.5 23.1 182.7 +14.6 29.0 +327.6 108.9 10 COASTAL VIRGINIA 90.6 102.6 -30.0 18.3 141.5 +19.5 34.3 +227.3 108.1 11 SOUTHERN APPALACHIAN 93.5 105.1 -41.7 38.4 142.7 +6.0 35.3 +258.2 108.2 12 COASTAL CAROLINAS 68.0 75.1 -13.6 36.0 79.6 +0.8 37.3 +158.1 107.8 13 INTERIOR CAROLINAS 90.7 74.6 -32.6 22.3 110.3 +13.6 44.1 +98.7 104.0 14 MICHIGAN UPPER PEN. 78.9 254.2 -22.8 47.5 266.6 +2.7 19.8 +642.9 111.9 15 NORTHERN MINNESOTA 50.6 299.3 -3.7 30.5 300.4 +15.0 26.0 +604.1 109.6 16 EASTERN NORTH DAKOTA 17.4 342.5 +45.4 25.6 310.0 +30.2 29.9 +596.3 109.6 17 WESTERN NORTH DAKOTA 3.6 350.3 +76.0 9.8 306.2 +46.7 31.4 +597.7 110.3 18 EASTERN MONTANA 6.8 310.9 +65.6 7.2 288.1 +56.9 47.5 +201.4 103.8 19 NORTH-CENTRAL MONTANA 1.1 341.6 +100.7 14.8 268.1 +39.0 43.5 +305.0 106.0 20 SOUTH CENTRAL MONTANA 2.0 297.7 +75.2 13.5 249.5 +36.9 51.5 +39.8 100.9 21 WESTERN MONTANA 1.3 289.5 +65.9 11.6 245.0 +33.4 56.2 +42.1 100.9 22 NORTH-CENTRAL MICHIGAN 87.4 216.0 -31.4 73.2 219.5 -15.2 19.9 +572.2 112.0 23 SOUTHERN MICHIGAN 98.1 155.5 -62.5 47.0 206.2 +0.9 26.8 +426.0 109.7 24 EAST-CENTRAL ILLINOIS 99.6 101.6 -88.8 31.3 191.1 +13.5 28.9 +417.8 110.3 25 NORTHERN ILLINOIS 91.5 178.6 -45.7 49.8 208.0 -1.6 22.7 +587.4 112.4 26 NORTHERN WISCONSIN 76.9 246.0 -23.0 69.1 238.8 -14.5 23.3 +614.8 111.1 27 SOUTHEASTERN MINNESOTA 60.7 255.4 -8.4 27.5 269.9 +22.8 23.3 +698.7 112.6 28 EASTERN SOUTH DAKOTA 36.3 283.3 +16.7 19.6 284.8 +34.2 29.7 +577.0 110.3 29 CENTRAL SOUTH DAKOTA 22.7 270.2 +30.2 19.5 258.5 +32.0 37.9 +370.0 107.2 30 WESTERN SOUTH DAKOTA 11.3 275.7 +45.1 10.4 263.5 +44.3 36.8 +311.2 106.4 31 NORTHEAST WYOMING 11.8 265.2 +37.4 13.4 247.0 +31.1 50.0 +50.7 101.0 32 NORTHWEST WYOMING 6.8 283.0 +42.3 9.7 258.6 +31.9 64.0 -198.6 96.2 33 EASTERN IOWA 82.9 188.4 -33.4 47.8 208.5 +2.4 26.8 +574.8 112.0 34 NORTHWEST IOWA 52.7 222.5 -5.5 27.7 232.8 +19.5 32.8 +424.4 108.6 35 CENTRAL NEBRASKA 43.2 206.8 -2.4 10.6 230.3 +33.0 42.3 +96.5 102.2 36 SOUTHERN NEBRASKA 59.8 187.0 -12.7 27.8 202.2 +16.8 35.4 +332.7 107.6 37 WESTERN NEBRASKA/CHEYENNE 34.4 220.8 +13.4 26.8 214.9 +18.1 55.2 -47.7 98.9 38 EASTERN KENTUCKY 99.0 86.3 -74.2 21.6 168.3 +18.7 30.5 +340.2 110.0 39 WESTERN KENTUCKY 99.6 65.0 -82.8 21.6 160.0 +23.3 33.3 +356.4 111.0 40 SOUTHEAST MISSOURI 99.7 64.9 -85.2 21.6 159.8 +20.6 36.5 +254.5 107.6 41 NORTHEAST MISSOURI 98.8 98.1 -79.3 27.2 181.6 +17.0 32.6 +360.1 109.3 42 NORTHWEST MISSOURI 96.9 106.3 -65.1 25.3 178.7 +20.1 36.2 +293.1 107.7 43 EASTERN KANSAS 98.2 80.9 -68.1 19.3 163.7 +26.7 40.0 +237.8 107.0 44 CENTRAL KANSAS 93.3 108.0 -55.0 23.0 173.5 +23.0 45.4 +111.2 103.0 45 WESTERN KANSAS 92.2 116.0 -51.8 15.6 181.2 +24.7 55.9 -157.7 95.7 46 NORTHEAST COLORADO 67.3 193.1 -12.5 16.8 219.7 +24.8 61.3 -171.3 96.1 47 SOUTHEAST COLORADO 88.5 162.5 -31.5 99.8 110.8 -72.7 60.3 -127.9 96.9 48 WESTERN COLORADO 66.6 213.2 -11.0 39.3 216.3 +5.5 68.4 -238.1 95.1 49 SOUTHWEST WYOMING 23.1 282.6 +25.2 21.3 266.9 +24.1 77.6 -355.1 93.5 50 CENTRAL TENNESSEE 99.3 56.2 -71.2 15.2 144.7 +27.7 39.0 +215.9 107.6 51 WESTERN TENNESSEE 99.8 33.4 -78.1 5.8 141.7 +40.8 42.2 +138.8 105.4 52 OZARK MOUNTAINS 99.9 37.8 -87.3 11.5 149.1 +33.9 47.4 +90.8 103.2 53 CENTRAL OKLAHOMA 99.8 32.4 -85.3 13.7 139.6 +32.4 50.0 +23.1 100.8 54 TEXAS WEST OF ABILENE 100.0 10.5 -88.5 2.2 140.7 +51.8 59.4 -124.4 94.8 55 NORTH HIGH PLAINS TEXAS 100.0 37.2 -88.2 1.5 167.9 +52.3 68.6 -295.2 89.8 56 NORTHERN GEORGIA 78.7 68.5 -23.0 56.2 71.5 -10.5 40.3 +139.6 106.4 57 NORTHERN ALABAMA 98.0 42.4 -50.1 52.2 76.8 -6.1 51.9 -41.6 98.1 58 CENTRAL MISSISSIPPI 99.2 26.1 -53.3 32.5 74.6 +4.3 51.3 -35.0 98.2 59 SOUTHERN ARKANSAS 100.0 21.1 -68.3 3.2 124.4 +44.5 52.9 -24.8 98.9 60 EAST TEXAS 100.0 7.1 -64.5 1.1 110.9 +47.8 69.3 -259.0 85.6 61 DALLAS AREA TEXAS 100.0 3.8 -75.7 0.6 130.0 +59.3 64.6 -178.5 90.8 62 SAN ANTONIO AREA TEXAS 100.0 2.0 -41.3 0.2 83.0 +46.1 59.4 -136.6 88.3 63 FAR SOUTHERN TEXAS 99.6 0.0 -28.2 2.7 40.0 +16.8 61.9 -203.6 76.6 64 WEST-CENTRAL TEXAS 99.9 1.1 -64.7 0.3 108.6 +51.8 54.8 -115.7 93.4 65 WESTERN TEXAS PANHANDLE 99.9 11.2 -57.3 6.7 84.3 +25.2 73.4 -257.7 86.4 66 JACKSONVILLE FLORIDA AREA 34.6 48.4 -1.7 83.2 8.2 -34.5 36.3 +104.3 107.9 67 CENTRAL FLORIDA 21.3 21.3 -0.6 92.9 0.0 -17.6 28.6 +56.6 109.5 68 SOUTHERN FLORIDA 6.9 12.2 +3.0 78.4 0.0 -6.6 17.3 +29.0 110.2 69 FLORIDA PANHANDLE 71.5 43.5 -18.5 92.2 12.2 -41.9 49.7 -55.8 96.5 70 COASTAL LOUISIANA 96.5 18.6 -33.1 49.5 32.6 -11.7 52.8 -117.2 91.4 71 COASTAL TEXAS NEAR HOUSTON 99.8 6.4 -41.6 10.5 53.9 +13.1 56.8 -185.3 85.5 72 NORTHEAST WASHINGTON 0.4 255.1 +63.4 3.9 218.6 +38.8 32.9 +427.5 109.9 73 PENDLETON AREA OREGON 0.1 252.6 +73.1 4.3 204.1 +35.2 41.0 +212.0 105.3 74 CENTRAL WASHINGTON 0.7 217.4 +48.9 7.3 182.8 +25.5 40.7 +217.9 105.7 75 SEATTLE AREA WASHINGTON 0.1 211.3 +51.3 2.5 184.3 +29.9 34.7 +215.9 106.5 76 WASHINGTON COAST 0.0 195.2 +53.5 2.5 165.2 +27.4 24.2 +361.8 112.7 77 EASTERN IDAHO 6.9 268.7 +49.5 5.8 252.0 +47.6 46.0 +141.4 102.9 78 IDAHO CENTRAL MOUNTAINS 1.0 278.6 +57.4 4.1 246.7 +38.6 56.5 -76.9 98.4 79 SOUTHWEST IDAHO 0.5 239.5 +65.6 14.7 187.2 +25.5 43.5 +210.6 105.3 80 EASTERN OREGON 0.1 250.2 +63.7 4.5 209.0 +31.6 42.2 +166.6 104.2 81 OREGON COASTAL VALLEY 0.0 203.4 +62.5 6.9 157.8 +22.5 33.0 +205.3 106.8 82 OREGON COAST 0.0 178.6 +56.5 7.4 140.3 +20.4 19.8 +376.3 115.7 83 NORTHEAST UTAH 17.3 239.6 +31.4 22.5 216.4 +23.7 54.3 -26.1 99.4 84 SOUTHEAST UTAH 43.1 178.1 +5.6 44.8 163.8 +3.9 61.7 -136.0 96.6 85 WESTERN UTAH 7.3 211.1 +38.3 30.1 171.0 +12.1 57.3 -123.0 97.0 86 NORTHEAST NEVADA 2.4 260.8 +57.5 41.5 199.4 +8.1 53.4 +5.9 100.1 87 NORTHWEST NEVADA 0.6 229.0 +58.1 37.9 168.5 +7.8 54.8 -17.7 99.5 88 SACRAMENTO AREA CALIFORNIA 0.4 171.9 +48.9 99.9 54.8 -61.3 41.9 +68.4 102.6 89 NORTHERN CALIFORNIA COAST 0.3 151.2 +44.0 26.6 110.4 +8.1 24.8 +262.8 111.3 90 CENTRAL NEVADA 2.5 209.9 +49.4 55.6 147.1 -2.7 58.1 -89.7 97.6 91 FRESNO AREA CALIFORNIA 0.4 140.5 +48.5 59.8 79.3 -6.0 51.2 +3.6 100.2 92 CENTRAL CALIFORNIA COAST 0.4 118.1 +39.6 94.4 48.5 -26.4 44.9 +73.2 104.4 93 SOUTHERN CALIFORNIA COAST 1.0 107.1 +41.6 27.6 71.6 +9.1 57.8 -37.8 97.1 94 SOUTHEAST CALIFORNIA 2.4 110.1 +42.6 61.4 49.4 -10.0 44.9 +92.9 105.3 95 LAS VEGAS NEVADA AREA 4.7 107.5 +33.8 53.2 57.3 -7.5 39.4 +124.7 106.5 96 SOUTHWEST ARIZONA 23.1 69.8 +9.0 78.8 28.5 -25.6 43.4 +42.1 102.7 97 NORTHEAST ARIZONA 70.5 152.9 -8.6 100.0 77.6 -74.5 66.1 -141.3 96.0 98 SOUTHEAST ARIZONA 89.1 56.1 -23.7 70.0 63.7 -8.7 76.9 -277.1 85.5 99 NORTHERN NEW MEXICO 90.8 171.4 -25.2 93.9 157.7 -28.5 71.3 -178.3 95.8 100 EASTERN NEW MEXICO 99.8 56.8 -63.1 23.4 128.4 +18.2 68.6 -176.3 93.7 101 CENTRAL NEW MEXICO 93.8 130.3 -26.0 85.0 132.9 -14.8 74.4 -189.8 94.5 102 SOUTHERN NEW MEXICO 96.8 70.0 -32.8 44.8 99.6 +5.7 73.6 -171.7 93.1 min 0.0 0.0 -88.8 0.2 0.0 -74.5 17.3 -355.1 76.6 max 100.0 350.3 100.7 100.0 313.6 59.3 77.6 698.7 115.7 avg 55.6 154.4 -8.2 31.9 165.8 13.9 44.6 133.6 102.7 med 67.6 159.0 -12.6 24.4 168.4 18.1 42.3 117.9 104.6 ptile < 1 14 3 0