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 6.0 degrees Fahrenheit on 23 September 2025, versus 10.0 on the previous day.
Sample. This daily series has a total of 16,337 records. The period covered by the series stretches from January 1981 to September 2025.
History. Take a look at a few simple statistics we calculated on the full sample: degree days reached a trough of 0.0 degrees Fahrenheit on 25 May 1981; they reached their highest level of 73.0 on 4 January 1981; they were equal on average to 20.2.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 12.0 |
| 2025-09-22 | 10.0 |
| 2025-09-23 | 6.0 |
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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 |
Series in the same data set
Discover the other time series included in this data set.