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 6.0 degrees Fahrenheit on 23 September 2025, versus 10.0 on 22 September.
Sample. In the daily time series presented in the figure, there are 16,337 observations. The time period covered by the series goes from January 1981 to September 2025.
History. Here's a peek at a few descriptive statistics computed on the full sample: degree days registered a minimum 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
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