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 November 2026, the same as on the previous day.
Sample. There are 16,752 data points overall in the daily time series presented in the chart above. The series covers the span of time stretching from January 1981 to November 2026.
History. Have a look at some summary statistics calculated on the full sample: degree days attained a maximum of 20.0 degrees Fahrenheit on 2 August 2006; they recorded a bottom of 0.0 degrees Fahrenheit on 1 January 1981; they had an average value of 1.5 degrees Fahrenheit.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-11-10 | 0 |
| 2026-11-11 | 0 |
| 2026-11-12 | 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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