Heating degree days (F) - New Hampshire (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In New Hampshire, heating degree days were 11.0 degrees Fahrenheit on 28 September 2026, compared to 10.0 on 27 September.
Sample. There are 16,707 records overall in the daily series displayed in the graph above. The time period covered by the series is from January 1981 to September 2026.
History. Check out a few summary statistics we calculated on the whole sample: degree days hit a peak of 73.0 degrees Fahrenheit on 4 January 1981; they hit a minimum of 0.0 on 25 May 1981; they had an average value of 20.2.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-26 | 9.0 |
| 2026-09-27 | 10.0 |
| 2026-09-28 | 11.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | New Hampshire (US) |
| 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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