HDD / CDD Forecasts
National Weather Service Population Weighted Heating / Cooling Degree Day Forecasts

How to read this table
Population Weighted Cooling Degree Days
Region 15 Dec 16 Dec 17 Dec 18 Dec 19 Dec 20 Dec 21 Dec Total Diff from Avg.
1 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
2 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
3 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
4 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
5 2 | 2 | 1 | -9999 | 1 | 0 | 1 1 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 1 | 1 1 5 -2 | -28.57%
6 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
7 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
8 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
9 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
CONUS 0 | 0 | 0 | -9999 | 0 | 0 | 0 0 | 0 | 0 | -9999 | 0 | 0 0 | 0 | 0 | -9999 | 0 0 | 0 | 0 | -9999 0 | 0 | 0 0 | 0 0 0 0 | NaN%
Utility Gas Weighted Heating Degree Days
Region 15 Dec 16 Dec 17 Dec 18 Dec 19 Dec 20 Dec 21 Dec Total Diff from Avg.
1 21 | 21 | 23 | -9999 | 21 | 21 | 21 30 | 29 | 29 | -9999 | 26 | 24 29 | 28 | 29 | -9999 | 29 37 | 36 | 33 | -9999 37 | 38 | 34 30 | 32 26 210 -42 | -16.67%
2 21 | 20 | 21 | -9999 | 21 | 20 | 21 27 | 26 | 26 | -9999 | 26 | 25 28 | 28 | 28 | -9999 | 27 36 | 34 | 32 | -9999 34 | 33 | 31 28 | 29 26 200 -35 | -14.89%
3 26 | 26 | 27 | -9999 | 29 | 29 | 29 28 | 28 | 29 | -9999 | 31 | 30 33 | 32 | 32 | -9999 | 33 34 | 34 | 33 | -9999 30 | 31 | 31 27 | 28 32 210 -57 | -21.35%
4 29 | 30 | 31 | -9999 | 33 | 34 | 35 29 | 30 | 29 | -9999 | 32 | 33 33 | 32 | 33 | -9999 | 35 31 | 31 | 32 | -9999 27 | 29 | 29 28 | 29 31 208 -84 | -28.77%
5 14 | 13 | 14 | -9999 | 17 | 16 | 17 17 | 17 | 18 | -9999 | 18 | 19 18 | 19 | 20 | -9999 | 19 23 | 23 | 22 | -9999 23 | 22 | 22 19 | 19 19 133 2 | 1.53%
6 15 | 15 | 17 | -9999 | 20 | 21 | 22 18 | 18 | 19 | -9999 | 21 | 21 20 | 21 | 21 | -9999 | 21 23 | 22 | 23 | -9999 20 | 21 | 21 17 | 18 20 133 -35 | -20.83%
7 17 | 17 | 17 | -9999 | 17 | 17 | 18 15 | 15 | 15 | -9999 | 14 | 15 14 | 14 | 14 | -9999 | 14 13 | 13 | 14 | -9999 11 | 12 | 13 11 | 12 11 92 -31 | -25.2%
8 26 | 26 | 27 | -9999 | 28 | 29 | 31 25 | 25 | 26 | -9999 | 29 | 30 25 | 25 | 26 | -9999 | 28 26 | 27 | 27 | -9999 25 | 26 | 26 23 | 24 24 174 -44 | -20.18%
9 14 | 14 | 14 | -9999 | 17 | 17 | 17 13 | 13 | 14 | -9999 | 17 | 17 15 | 15 | 15 | -9999 | 16 14 | 15 | 14 | -9999 11 | 12 | 12 10 | 11 12 89 -52 | -36.88%
CONUS 21 | 21 | 22 | -9999 | 23 | 23 | 23 22 | 22 | 23 | -9999 | 24 | 24 24 | 24 | 25 | -9999 | 25 27 | 26 | 26 | -9999 24 | 24 | 24 21 | 22 23 162 -28 | -14.74%