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 29.0 degrees Fahrenheit on 13 November 2025, compared to 30.0 on 12 November.
Sample. This daily time series has 16,388 records overall. The series covers the time span going from January 1981 to November 2025.
History. Here’s a quick look at a few descriptive statistics computed on the full sample: degree days averaged 21.5 degrees Fahrenheit; they reached a minimum of 0.0 on 26 May 1981; they hit a maximum of 78.0 on 4 January 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 28.0 |
| 2025-11-12 | 30.0 |
| 2025-11-13 | 29.0 |
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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 |