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 stood at 12.0 degrees Fahrenheit on 28 September 2026, compared to 8.0 on 27 September.
Sample. There are 16,707 data points in the daily series displayed in the graph above. The time period covered by the series stretches from January 1981 to September 2026.
History. Here's a snapshot of some descriptive statistics we calculated on the full sample: degree days reached a trough of 0.0 degrees Fahrenheit on 26 May 1981; they reached their highest level of 78.0 on 4 January 1981; they had an average value of 21.5.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-26 | 5.0 |
| 2026-09-27 | 8.0 |
| 2026-09-28 | 12.0 |
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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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