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