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 28 September 2026, as on 27 September 2026.
Sample. The daily time series presented in the graph has 16,707 records overall. The series covers the span of time stretching from January 1981 to September 2026.
History. Take a look at a few simple statistics calculated on the entire sample: degree days attained a maximum of 20.0 degrees Fahrenheit on 2 August 2006; they recorded a bottom of 0.0 on 1 January 1981; they had a mean value of 1.5.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-26 | 0.0 |
| 2026-09-27 | 0.0 |
| 2026-09-28 | 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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