Heating 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, heating degree days were 3.0 degrees Fahrenheit on 23 September 2025, compared to 7.0 on 22 September 2025.
Sample. There are 16,337 data points overall in the daily time series presented in the figure above. The series covers the period going from January 1981 to September 2025.
History. Here's a snapshot of some simple statistics we computed on the full sample: degree days achieved a maximum of 65.0 degrees Fahrenheit on 12 January 1981; they reached their minimum of 0.0 on 25 May 1981; they had an average value of 17.0.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 10.0 |
| 2025-09-22 | 7.0 |
| 2025-09-23 | 3.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Massachusetts (US) |
| Economic concept | Heating 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 | 65F - (max_daily_temperature + min_daily_temperature) / 2 |
Series in the same data set
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