Cooling degree days (F) - Massachusetts (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Massachusetts, cooling degree days were 0.0 degrees Fahrenheit on 12 February 2026, as on the previous day.
Sample. This daily time series has 16,479 observations overall. The span of time covered by the series is from January 1981 to February 2026.
History. Here are a few descriptive statistics calculated on the full sample: degree days had a mean value of 1.5 degrees Fahrenheit; they hit a minimum of 0.0 on 1 January 1981; they reached their maximum of 20.0 on 2 August 2006.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-02-10 | 0.0 |
| 2026-02-11 | 0.0 |
| 2026-02-12 | 0.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Massachusetts (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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