Heating degree days (F) - Maine (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Maine, heating degree days were 49.0 degrees Fahrenheit on 28 December 2025, compared to 56.0 on the previous day.
Sample. There are 16,433 observations overall in the daily series presented in the figure above. The period covered by the series is from January 1981 to December 2025.
History. Here’s a quick look at a few summary statistics calculated on the whole sample: degree days were equal on average to 21.6 degrees Fahrenheit; they attained a maximum of 78.0 on 4 January 1981; they hit a minimum of 0.0 on 26 May 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-12-26 | 56.0 |
| 2025-12-27 | 56.0 |
| 2025-12-28 | 49.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Maine (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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