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 14.0 degrees Fahrenheit on 14 May 2026, compared to 21.0 on 13 May 2026.
Sample. There are 16,570 records overall in the daily time series presented in the figure above. The span of time covered by the series stretches from January 1981 to May 2026.
History. Take a look at some descriptive statistics calculated on the full sample: degree days reached their lowest level of 0.0 degrees Fahrenheit on 26 May 1981; they hit a maximum of 78.0 on 4 January 1981; they had an average value of 21.7.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 20.0 |
| 2026-05-13 | 21.0 |
| 2026-05-14 | 14.0 |
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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
Discover the other time series included in this data set.