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

How to read this table
Population Weighted Cooling Degree Days
Region 25 May 26 May 27 May 28 May 29 May 30 May 31 May Total Diff from Avg.
1 3 | 2 | 2 | 2 | 0 | 0 | 0 7 | 7 | 6 | 5 | 2 | 0 0 | 0 | 0 | 1 | 1 0 | 0 | 0 | 0 2 | 0 | 0 1 | 0 1 14 5 | 55.56%
2 5 | 3 | 4 | 3 | 2 | 1 | 0 8 | 8 | 8 | 6 | 3 | 3 5 | 5 | 5 | 3 | 3 3 | 2 | 1 | 2 5 | 3 | 1 3 | 3 3 32 16 | 100.0%
3 8 | 7 | 7 | 7 | 7 | 6 | 4 10 | 10 | 10 | 9 | 8 | 7 12 | 11 | 9 | 7 | 6 11 | 9 | 8 | 4 9 | 7 | 8 8 | 7 9 67 49 | 272.22%
4 11 | 11 | 11 | 10 | 9 | 9 | 7 12 | 12 | 11 | 9 | 8 | 7 13 | 12 | 11 | 8 | 6 13 | 12 | 11 | 8 11 | 10 | 10 10 | 9 10 80 60 | 300.0%
5 10 | 9 | 9 | 10 | 9 | 9 | 9 11 | 10 | 10 | 11 | 10 | 10 11 | 11 | 11 | 11 | 10 11 | 11 | 10 | 10 12 | 11 | 10 11 | 11 12 78 21 | 36.84%
6 11 | 10 | 10 | 11 | 11 | 11 | 10 11 | 11 | 10 | 11 | 11 | 10 10 | 10 | 10 | 10 | 10 10 | 10 | 10 | 10 11 | 11 | 11 11 | 12 13 77 29 | 60.42%
7 16 | 15 | 15 | 15 | 16 | 16 | 16 17 | 17 | 16 | 16 | 16 | 16 18 | 17 | 17 | 16 | 16 18 | 17 | 18 | 16 18 | 18 | 18 19 | 18 20 126 46 | 57.5%
8 6 | 6 | 6 | 6 | 7 | 6 | 6 5 | 5 | 5 | 7 | 8 | 7 4 | 4 | 4 | 6 | 8 6 | 5 | 5 | 6 7 | 6 | 6 7 | 7 7 42 6 | 16.67%
9 0 | 0 | 0 | 0 | 1 | 1 | 0 0 | 0 | 0 | 0 | 1 | 1 0 | 0 | 0 | 0 | 0 2 | 1 | 1 | 0 2 | 1 | 1 1 | 1 0 5 -6 | -54.55%
CONUS 8 | 7 | 7 | 7 | 7 | 7 | 6 9 | 9 | 8 | 8 | 7 | 7 8 | 8 | 8 | 7 | 7 8 | 8 | 7 | 6 9 | 8 | 7 8 | 8 8 58 24 | 70.59%
Utility Gas Weighted Heating Degree Days
Region 25 May 26 May 27 May 28 May 29 May 30 May 31 May Total Diff from Avg.
1 0 | 0 | 0 | 0 | 0 | 1 | 3 0 | 0 | 0 | 0 | 0 | 1 7 | 3 | 1 | 1 | 1 5 | 4 | 5 | 2 0 | 1 | 4 0 | 1 0 12 -25 | -67.57%
2 0 | 0 | 0 | 0 | 0 | 0 | 1 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 1 | 0 | 1 | 0 0 | 0 | 1 0 | 0 0 1 -25 | -96.15%
3 0 | 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 0 | 0 | 0 0 | 0 0 0 -30 | -100.0%
4 0 | 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 0 | 0 | 0 0 | 0 0 0 -25 | -100.0%
5 0 | 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 0 | 0 | 0 0 | 0 0 0 -7 | -100.0%
6 0 | 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 0 | 0 | 0 0 | 0 0 0 -6 | -100.0%
7 0 | 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 | 0 0 | 0 | 0 | 0 0 | 0 | 0 0 | 0 0 0 0 | NaN%
8 1 | 1 | 1 | 1 | 2 | 2 | 3 2 | 2 | 2 | 1 | 1 | 2 3 | 3 | 3 | 2 | 2 4 | 3 | 4 | 3 3 | 3 | 4 2 | 3 2 17 -13 | -43.33%
9 8 | 8 | 7 | 4 | 2 | 2 | 2 8 | 8 | 7 | 5 | 3 | 2 4 | 4 | 4 | 4 | 3 1 | 1 | 1 | 2 1 | 1 | 1 2 | 3 4 28 2 | 7.69%
CONUS 2 | 1 | 1 | 1 | 1 | 1 | 1 2 | 2 | 1 | 1 | 1 | 1 1 | 1 | 1 | 1 | 1 1 | 1 | 1 | 1 0 | 0 | 1 1 | 1 1 8 -11 | -57.89%

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