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 0.0 degrees Fahrenheit on 14 August 2026, unchanged with respect to 13 August.
Sample. There are 16,662 observations in the daily time series shown in the chart above. The time range covered by the series extends from January 1981 to August 2026.
History. Here are some summary statistics computed on the whole sample: degree days attained a maximum of 78.0 degrees Fahrenheit on 4 January 1981; they recorded a bottom of 0.0 on 26 May 1981; they were equal on average to 21.6.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-08-12 | 0.0 |
| 2026-08-13 | 0.0 |
| 2026-08-14 | 0.0 |
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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 |
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