Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In the United States (excluding Alaska and Hawaii), heating degree days were 23.0 degrees Fahrenheit on 12 February 2026, compared to 22.0 on 11 February.
Sample. There are 16,479 data points overall in the daily series displayed in the figure above. The series covers the span of time stretching from January 1981 to February 2026.
History. Check out some statistics we calculated on the full sample: degree days had a mean value of 11.7 degrees Fahrenheit; they hit a minimum of 0.0 on 29 May 1981; they achieved a maximum of 51.0 on 25 December 1983.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-02-10 | 23.0 |
| 2026-02-11 | 22.0 |
| 2026-02-12 | 23.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | United States (excluding Alaska and Hawaii) |
| Economic concept | Heating needs |
| Data type | Estimate based on daily minimum and maximum temperatures |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | Population-weighted averages of weather-station observations |
| Frequency | Daily |
| Unit | Degrees Fahrenheit |
| Source | NOAA National Weather Service |
| Source type | Federal Administration |
| Data licence | Not copyrightable under U.S. law |
| Measure type | 65F - (max_daily_temperature + min_daily_temperature) / 2 |
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