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 17.0 degrees Fahrenheit on 14 May 2026, compared to 21.0 on 13 May.
Sample. In this daily series, there are 16,570 data points. The time period covered by the series stretches from January 1981 to May 2026.
History. Have a look at some statistics we computed on the full sample: degree days hit a maximum of 73.0 degrees Fahrenheit on 4 January 1981; they reached their lowest level of 0.0 on 25 May 1981; they averaged 20.3.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 19.0 |
| 2026-05-13 | 21.0 |
| 2026-05-14 | 17.0 |
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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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