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 23 September 2025, the same as on 22 September 2025.
Sample. In the daily time series shown in the figure, there are 16,337 records overall. The time period covered by the series goes from January 1981 to September 2025.
History. Check out some statistics we calculated on the whole sample: degree days had an average value of 1.5 degrees Fahrenheit; they hit a peak of 20.0 on 2 August 2006; they reached a minimum of 0.0 on 1 January 1981.
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 | 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 |
Series in the same data set
Discover the other time series included in this data set.