Cooling 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, cooling degree days stood at 0.0 degrees Fahrenheit on 23 September 2025, the same as on the previous day.
Sample. There are 16,337 observations overall in the daily series presented in the graph above. The series covers the time period going from January 1981 to September 2025.
History. Here are a few statistics computed on the entire sample: degree days hit a maximum of 19.0 degrees Fahrenheit on 22 July 2011; they reached their minimum of 0.0 on 1 January 1981; they had a mean of 1.0.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 0.0 |
| 2025-09-22 | 0.0 |
| 2025-09-23 | 0.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | New Hampshire (US) |
| Economic concept | Cooling 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 | (max_daily_temperature + min_daily_temperature) / 2 - 65F |
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