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 14.0 degrees Fahrenheit on 13 November 2025, compared to 17.0 on the previous day.
Sample. There are 16,388 data points overall in the daily time series presented in the figure above. The time range covered by the series extends from January 1981 to November 2025.
History. Have a look at a few descriptive statistics we calculated on the full sample: degree days had a mean value of 11.6 degrees Fahrenheit; they recorded their highest level of 51.0 on 25 December 1983; they reached their lowest level of 0.0 on 29 May 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 22.0 |
| 2025-11-12 | 17.0 |
| 2025-11-13 | 14.0 |
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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 |