Heating degree days (F) - Maryland (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Maryland, heating degree days stood at 17.0 degrees Fahrenheit on 13 November 2025, versus 20.0 on 12 November 2025.
Sample. There are 16,388 records in the daily series presented in the chart above. The time span covered by the series is from January 1981 to November 2025.
History. Here's a peek at some statistics we computed on the whole sample: degree days were equal on average to 12.3 degrees Fahrenheit; they reached their minimum of 0.0 on 4 April 1981; they reached their maximum of 66.0 on 19 January 1994.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 28.0 |
| 2025-11-12 | 20.0 |
| 2025-11-13 | 17.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Maryland (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 |