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 1.0 degrees Fahrenheit on 21 June 2026, compared to 0.0 on 20 June 2026.
Sample. There are 16,608 data points overall in the daily time series displayed in the plot above. The series covers the time period extending from January 1981 to June 2026.
History. Take a look at some statistics computed on the full sample: degree days reached their minimum of 0.0 degrees Fahrenheit on 29 May 1981; they reached their maximum of 51.0 on 25 December 1983; they had a mean value of 11.6.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-06-19 | 0.0 |
| 2026-06-20 | 0.0 |
| 2026-06-21 | 1.0 |
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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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