According to a weather station in Bedford, a few miles from here,
and it was 2.8 degrees colder in Dec 08, and 4.2 colder in Nov 08.
Weather Station History : Weather Underground
Plus, we installed a bunch of extra insulation in the attic near the end of Nov 08.
(Which was working very well in Dec 08).
Since solar gain in this house is a big factor, I'm not sure how to get good data.
Maybe
degree days take south-facing windows into consideration.?.
Does it matter much? My wife is just very happy to see lower NStar & oil bills!
