If the weather's nice, open the windows! If your house is properly insulated, it is entirely possible for your house to be cooler or warmer than the outside air — and it's actually nicer outside. When this happens, turn off the air conditioner and open the windows!
| Month | Electricity in kWh | Cost per kWh | Natural Gas in Therms | Cost per Therm | Water in CCF | Cost per CCF | People | HDD | CDD | BTU/Ft2 |
|---|---|---|---|---|---|---|---|---|---|---|
| January 2010 | 827 | $.093 | 408 | $1.12 | 5 | $2.35 | 3 | 813 | 0 | 12,471 |
| December 2009 | 1,003 | $.092 | 165 | $1.14 | 7 | $2.12 | 4 | 701 | 4 | 5,695 |
| November 2009 | 564 | $.101 | 69 | $1.15 | 6 | $2.15 | 3 | 329 | 0 | 2,523 |
| October 2009 | 823 | $.096 | 40 | $1.16 | 5 | $2.35 | 3 | 183 | 62 | 1,946 |
| September 2009 | 1,383 | $.107 | 9 | $1.86 | 11 | $2.84 | 3 | 12 | 272 | 1,606 |
| August 2009 | 2,164 | $.110 | 9 | $1.92 | 20 | $2.88 | 3 | 2 | 443 | 2,368 |
| July 2009 | 2,278 | $.110 | 20 | $1.43 | 19 | $2.69 | 3 | 2 | 414 | 2,613 |
| June 2009 | 2,298 | $.113 | 13 | $1.98 | 30 | $4.07 | 3 | 0 | 450 | 2,613 |
| May 2009 | 869 | $.097 | 41 | $1.56 | 20 | $2.85 | 5 | 16 | 185 | 2,020 |
| April 2009 | 840 | $.096 | 51 | $1.41 | 14 | $1.94 | 5 | 165 | 46 | 2,277 |
| March 2009 | 845 | $.095 | 117 | $1.19 | 9 | $1.76 | 5 | 312 | 12 | 4,169 |
| February 2009 | 800 | $.095 | 214 | $1.22 | 8 | $1.84 | 5 | 473 | 0 | 6,898 |
| January 2009 | 808 | $.093 | 349 | $1.23 | 5 | $2.29 | 4 | 645 | 0 | 10,766 |
| December 2008 | 864 | $.092 | 106 | $1.26 | 8 | $1.84 | 4 | 505 | 4 | 3,873 |
| Averages | 1,394 | $.099 | 84 | $1.31 | 19 | $1.83 | 3.6 | 218 | 173 | 3,772 |