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 12.0 degrees Fahrenheit on 14 May 2026, versus 14.0 on the previous day.
Sample. There are 16,570 observations in the daily series displayed in the chart above. The time span covered by the series goes from January 1981 to May 2026.
History. Here's a snapshot of some statistics computed on the entire sample: degree days hit a peak of 65.0 degrees Fahrenheit on 12 January 1981; they hit a minimum of 0.0 on 25 May 1981; they averaged 17.1.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 15.0 |
| 2026-05-13 | 14.0 |
| 2026-05-14 | 12.0 |
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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
Discover the other time series included in this data set.