With the forecast for the remainder of December significantly above normal, a review of the winter thus far shows that we are about 200 Heating Degree Days below normal to date. The current 15-day forecast indicates that the US will make up about 60 of the HDD deficit by year end.
Here is how this winter compares to the 20 year normal and the 2015-16 winter, with the current December still incomplete (through 12/11 so far).
Weather normal HDDs are moving toward 30 by month end, and the forecast is for a strong HDD cold anomaly in days 1-5 and 6-10:
