Cooling 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, cooling degree days stood at 0.0 degrees Fahrenheit on 23 September 2025, the same as on 22 September.
Sample. There are 16,337 observations in the daily series presented in the chart above. The series covers the time period stretching from January 1981 to September 2025.
History. Here's a snapshot of some summary statistics calculated on the full sample: degree days hit a peak of 16.0 degrees Fahrenheit on 22 July 2011; they hit a minimum of 0.0 on 1 January 1981; they averaged 0.7.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 0.0 |
| 2025-09-22 | 0.0 |
| 2025-09-23 | 0.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Maine (US) |
| Economic concept | Cooling 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 | (max_daily_temperature + min_daily_temperature) / 2 - 65F |
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