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 17 September 2026, the same as on the previous day.
Sample. This daily series has 16,696 data points in total. The time period covered by the series stretches from January 1981 to September 2026.
History. Here's a peek at some summary statistics computed on the full sample: degree days had an average value of 11.6 degrees Fahrenheit; they registered a minimum of 0.0 on 29 May 1981; they reached their maximum of 51.0 on 25 December 1983.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-15 | 2.00000 |
| 2026-09-16 | 1.00000 |
| 2026-09-17 | 1.00000 |
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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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