Table 25. Natural gas home customer-weighted heating degree days.
Table 25. Natural Gas Home Customer-Weighted Heating Degree Days
Month/Year/Type of Data New England Middle Atlantic
CT, ME, MA, NH, RI, VT NJ, NY, PA
November
Normal 703 665
2010 690 639
2011 555 533
% Diff (normal to 2011) -21.1 -19.9
% Diff (2010 to 2011) -19.6 -16.6
December
Normal 1,045 995
2010 1,109 1,108
2011 860 828
% Diff (normal to 2011) -17.7 -16.8
% Diff (2010 to 2011) -22.5 -25.3
January
Normal 1,208 1,155
2011 1,279 1,227
2012 1,027 990
% Diff (normal to 2012) -15.0 -14.3
% Diff (2011 to 2012) -19.7 -19.3
February
Normal 1,063 1,011
2011 1,104 997
2012 887 835
% Diff (normal to 2012) -16.6 -17.4
% Diff (2011 to 2012) -19.7 -16.3
March
Normal 887 823
2011 885 835
2012 634 527
% Diff (normal to 2012) -28.5 -36.0
% Diff (2011 to 2012) -28.4 -36.9
November to March
Normal 4,906 4,649
2011 5,067 4,806
2012 3,963 3,713
% Diff (normal to 2012) -19.2 -20.1
% Diff (2011 to 2012) -21.8 -22.7
Month/Year/Type of Data East North Central West North Central
IL, IN, MI, OH, WI IA, KS, MN, MO, ND, NE, SD
November
Normal 758 841
2010 711 777
2011 615 733
% Diff (normal to 2011) -18.9 -12.8
% Diff (2010 to 2011) -13.5 -5.7
December
Normal 1,136 1,249
2010 1,285 1,311
2011 939 1,060
% Diff (normal to 2011) -17.3 -15.1
% Diff (2010 to 2011) -26.9 -19.2
January
Normal 1,303 1,392
2011 1,364 1,473
2012 1,078 1,115
% Diff (normal to 2012) -17.3 -19.9
% Diff (2011 to 2012) -21.0 -24.3
February
Normal 1,096 1,114
2011 1,112 1,191
2012 933 969
% Diff (normal to 2012) -14.9 -13.0
% Diff (2011 to 2012) -16.1 -18.6
March
Normal 865 859
2011 883 905
2012 459 448
% Diff (normal to 2012) -46.9 -47.9
% Diff (2011 to 2012) -48.0 -50.5
November to March
Normal 5,158 5,455
2011 5,355 5,657
2012 4,024 4,325
% Diff (normal to 2012) -22.0 -20.7
% Diff (2011 to 2012) -24.9 -23.6
Month/Year/Type of Data South Atlantic
DE, FL, GA, MD, DC, NC, SC, VA, WV
November
Normal 443
2010 440
2011 377
% Diff (normal to 2011) -14.9
% Diff (2010 to 2011) -14.3
December
Normal 700
2010 923
2011 566
% Diff (normal to 2011) -19.1
% Diff (2010 to 2011) -38.7
January
Normal 803
2011 889
2012 649
% Diff (normal to 2012) -19.2
% Diff (2011 to 2012) -27.0
February
Normal 657
2011 588
2012 541
% Diff (normal to 2012) -17.7
% Diff (2011 to 2012) -8.0
March
Normal 484
2011 469
2012 248
% Diff (normal to 2012) -48.8
% Diff (2011 to 2012) -47.1
November to March
Normal 3,087
2011 3,309
2012 2,381
% Diff (normal to 2012) -22.9
% Diff (2011 to 2012) -28.0
Month/Year/Type of Data East South Central West South Central
AL, KY, MS, TN AR, LA, OK, TX
November
Normal 455 305
2010 413 270
2011 382 263
% Diff (normal to 2011) -16.0 -13.8
% Diff (2010 to 2011) -7.5 -2.6
December
Normal 722 537
2010 920 524
2011 610 511
% Diff (normal to 2011) -15.5 -4.8
% Diff (2010 to 2011) -33.7 -2.5
January
Normal 829 612
2011 902 637
2012 618 425
% Diff (normal to 2012) -25.5 -30.6
% Diff (2011 to 2012) -31.5 -33.3
February
Normal 650 442
2011 595 487
2012 533 373
% Diff (normal to 2012) -18.0 -15.6
% Diff (2011 to 2012) -10.4 -23.4
March
Normal 458 276
2011 409 212
2012 190 128
% Diff (normal to 2012) -58.5 -53.6
% Diff (2011 to 2012) -53.6 -39.6
November to March
Normal 3,114 2,172
2011 3,239 2,130
2012 2,333 1,700
% Diff (normal to 2012) -25.1 -21.7
% Diff (2011 to 2012) -28.0 -20.2
Month/Year/Type of Data Mountain Pacific (b)
AZ, CO, ID, MT, NV, NM, UT, WY CA, OR, WA
November
Normal 739 366
2010 746 399
2011 718 402
% Diff (normal to 2011) -2.8 9.8
% Diff (2010 to 2011) -3.8 0.8
December
Normal 999 531
2010 863 477
2011 1,030 553
% Diff (normal to 2011) 3.1 4.1
% Diff (2010 to 2011) 19.4 15.9
January
Normal 1,026 532
2011 1,011 477
2012 875 447
% Diff (normal to 2012) -14.7 -16.0
% Diff (2011 to 2012) -13.5 -6.3
February
Normal 828 426
2011 930 517
2012 837 441
% Diff (normal to 2012) 1.1 3.5
% Diff (2011 to 2012) -10.0 -14.7
March
Normal 695 393
2011 623 415
2012 562 431
% Diff (normal to 2012) -19.1 9.7
% Diff (2011 to 2012) -9.8 3.9
November to March
Normal 4,287 2,248
2011 4,173 2,285
2012 4,022 2,274
% Diff (normal to 2012) -6.2 1.2
% Diff (2011 to 2012) -3.6 -0.5
Month/Year/Type of Data U.S. Average (b)
November
Normal 589
2010 569
2011 512
% Diff (normal to 2011) -13.1
% Diff (2010 to 2011) -10.0
December
Normal 884
2010 955
2011 775
% Diff (normal to 2011) -12.3
% Diff (2010 to 2011) -18.9
January
Normal 991
2011 1,029
2012 813
% Diff (normal to 2012) -18.0
% Diff (2011 to 2012) -21.0
February
Normal 818
2011 846
2012 714
% Diff (normal to 2012) -12.7
% Diff (2011 to 2012) -15.6
March
Normal 649
2011 647
2012 410
% Diff (normal to 2012) -36.8
% Diff (2011 to 2012) -36.6
November to March
Normal 3,931
2011 4,046
2012 3,224
% Diff (normal to 2012) -18.0
% Diff (2011 to 2012) -20.3
(a.) Normal is based on calculations of data from 1971 through 2000.
(b.) Excludes Alaska and Hawaii.
Note: See Appendix A, Explanatory Note 10, for discussion of Heating
Degree-Days computations.
Source: National Oceanic and Atmospheric Administration.
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