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 were 0.0 degrees Fahrenheit on 23 September 2025, the same as on 22 September.
Sample. The daily series displayed in the figure has 16,337 observations overall. The series covers the span of time extending from January 1981 to September 2025.
History. Here's a snapshot of a few descriptive statistics we computed on the full sample: degree days had an average value of 12.3 degrees Fahrenheit; they hit a maximum of 66.0 on 19 January 1994; they hit a trough of 0.0 on 4 April 1981.
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 | 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 |
Series in the same data set
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