Gas Home Customer-Weighted Heating Degree Days - Illustration

Natural Gas Monthly, Jan, 2001

             Gas Home Customer-Weighted Heating Degree Days
                          November 1 through
                             November 30
Census
Divisions                     Normal [*]      1999  2000
New England
  CT, ME, MA, NH, RI, VT         692           608   723
Middle Atlantic
  NJ, NY, PA                     646           537   692
East North Central
  IL, IN, MI, OH, WI             730           592   788
West North Central
  IA, KS, MN, MO,
  ND, NE, SD                     788           564   921
South Atlantic
  DE, FL, GA, MD and DC,
  NC, SC, VA, WV                 421           356   499
East South Central
  AL, KY, MS, TN                 431           350   507
West South Central
  AR, LA, OK, TX                 280           198   397
Mountain
  AZ, CO, ID, MT,
  NV, NM, UT, WY                 715           546   925
Pacific [b]
  CA, OR, WA                     342           310   445
U.S. Average [b]                 559           452   648
                                                   December 1 through
                                                      December 31
                          Percent Change
Census                        Normal       1999
Divisions                    to 2000      to 2000      Normal [*]
New England
  CT, ME, MA, NH, RI, VT        4.5         18.9         1,073
Middle Atlantic
  NJ, NY, PA                    7.1         28.9         1,010
East North Central
  IL, IN, MI, OH, WI            7.9         33.1         1,142
West North Central
  IA, KS, MN, MO,
  ND, NE, SD                   16.9         63.3         1,235
South Atlantic
  DE, FL, GA, MD and DC,
  NC, SC, VA, WV               18.5         40.2           696
East South Central
  AL, KY, MS, TN               17.6         44.9           717
West South Central
  AR, LA, OK, TX               41.8        100.5           533
Mountain
  AZ, CO, ID, MT,
  NV, NM, UT, WY               29.4         69.4         1,007
Pacific [b]
  CA, OR, WA                   30.1         43.5           518
U.S. Average [b]               15.9         43.4           881
                                        Percent Change
Census                                      Normal       1999
Divisions                  1999   2000     to 2000      to 2000
New England
  CT, ME, MA, NH, RI, VT    952  1,195       11.4        25.5
Middle Atlantic
  NJ, NY, PA                898  1,178       16.6        31.2
East North Central
  IL, IN, MI, OH, WI      1,051  1,441       26.2        37.1
West North Central
  IA, KS, MN, MO,
  ND, NE, SD              1,054  1,546       25.2        46.7
South Atlantic
  DE, FL, GA, MD and DC,
  NC, SC, VA, WV            648    897       28.9        38.4
East South Central
  AL, KY, MS, TN            667    977       36.3        46.5
West South Central
  AR, LA, OK, TX            469    724       35.8        54.4
Mountain
  AZ, CO, ID, MT,
  NV, NM, UT, WY            934  1,001       -0.6         7.2
Pacific [b]
  CA, OR, WA                470    475       -8.3         1.1
U.S. Average [b]            796  1,054       19.6        32.4
                              Cumulative
                          November 1 through
                             December 31
Census                         Normal [a]      1999   2000
Divisions
New England
  CT, ME, MA, NH, RI, VT          4,967       4,618  4,521
Middle Atlantic
  NJ, NY, PA                      4,673       4,279  4,152
East North Central
  IL, IN, MI, OH, WI              5,180       4,704  4,460
West North Central
  IA, KS, MN, MO,
  ND, NE, SD                      5,389       4,756  4,395
South Atlantic
  DE, FL, GA, MD and DC,
  NC, SC, VA, WV                  3,071       2,781  2,720
East South Central
  AL, KY, MS, TN                  3,121       2,693  2,618
West South Central
  AR, LA, OK, TX                  2,198       1,728  1,592
Mountain
  AZ, CO, ID, MT,
  NV, NM, UT, WY                  4,350       3,940  3,783
Pacific [b]
  CA, OR, WA                      2,198       2,415  2,020
U.S. Average [b]                  3,914       3,587  3,369
                          Percent Change
Census                        Normal       1999
Divisions                    to 2000      to 2000
New England
  CT, ME, MA, NH, RI, VT       -9.0        -2.1
Middle Atlantic
  NJ, NY, PA                  -11.1        -3.0
East North Central
  IL, IN, MI, OH, WI          -13.9        -5.2
West North Central
  IA, KS, MN, MO,
  ND, NE, SD                  -18.4        -7.6
South Atlantic
  DE, FL, GA, MD and DC,
  NC, SC, VA, WV              -11.4        -2.2
East South Central
  AL, KY, MS, TN              -16.1        -2.8
West South Central
  AR, LA, OK, TX              -27.6        -7.9
Mountain
  AZ, CO, ID, MT,
  NV, NM, UT, WY              -13.0        -4.0
Pacific [b]
  CA, OR, WA                   -8.1       -16.4
U.S. Average [b]              -13.9        -6.1

(a.)Normal is based on calculations of data from 1961 through 1990.

(b.)Excludes Alaska and Hawaii.

Note: See Appendix A, Explanatory Note 10 for discussion of Heating Degree-Days computations.