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 6.0 degrees Fahrenheit on 14 May 2026, compared to 5.0 on the previous day.
Sample. This daily time series has 16,570 data points. The series covers the time range going from January 1981 to May 2026.
History. Have a look at some simple statistics computed on the entire sample: degree days were equal on average to 11.7 degrees Fahrenheit; they recorded a bottom of 0.0 on 29 May 1981; they recorded their highest level of 51.0 on 25 December 1983.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 6.0 |
| 2026-05-13 | 5.0 |
| 2026-05-14 | 6.0 |
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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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