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 28.0 degrees Fahrenheit on 13 November 2025, compared to 31.0 on 12 November 2025.
Sample. There are 16,388 records overall in the daily time series displayed in the chart above. The series covers the span of time extending from January 1981 to November 2025.
History. Here's a snapshot of some simple statistics computed on the whole sample: degree days had a mean value of 20.2 degrees Fahrenheit; they recorded a minimum of 0.0 on 25 May 1981; they hit a maximum of 73.0 on 4 January 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 33.0 |
| 2025-11-12 | 31.0 |
| 2025-11-13 | 28.0 |
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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 |