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 were 1.0 degrees Fahrenheit on 14 August 2026, compared to 4.0 on the previous day.
Sample. There are 16,662 data points in the daily time series displayed in the chart above. The series covers the time range extending from January 1981 to August 2026.
History. Here’s a quick look at a few simple statistics we calculated on the entire sample: degree days had an average value of 1.0 degrees Fahrenheit; they reached their lowest level of 0.0 on 1 January 1981; they hit a peak of 19.0 on 22 July 2011.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-08-12 | 4.0 |
| 2026-08-13 | 4.0 |
| 2026-08-14 | 1.0 |
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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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