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 stood at 8.0 degrees Fahrenheit on 30 March 2026, versus 14.0 on the previous day.
Sample. There are 16,525 observations in the daily time series displayed in the chart above. The series covers the period extending from January 1981 to March 2026.
History. Have a look at a few descriptive statistics calculated on the full sample: degree days reached a maximum of 51.0 degrees Fahrenheit on 25 December 1983; they reached a minimum of 0.0 on 29 May 1981; they had a mean value of 11.7.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-03-28 | 17.0 |
| 2026-03-29 | 14.0 |
| 2026-03-30 | 8.0 |
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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 |
Series in the same data set
Discover the other time series included in this data set.