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 stood at 46.0 degrees Fahrenheit on 28 December 2025, compared to 51.0 on 27 December 2025.
Sample. This daily series has 16,433 data points. The series covers the time span extending from January 1981 to December 2025.
History. Here’s a quick look at a few simple statistics we calculated on the whole sample: degree days recorded a bottom of 0.0 degrees Fahrenheit on 25 May 1981; they attained a maximum of 73.0 on 4 January 1981; they had a mean of 20.2.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-12-26 | 54.0 |
| 2025-12-27 | 51.0 |
| 2025-12-28 | 46.0 |
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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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