Cooling 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, cooling degree days stood at 0.0 degrees Fahrenheit on 30 March 2026, as on the previous day.
Sample. There are 16,525 observations overall in the daily time series presented in the plot above. The time period covered by the series is from January 1981 to March 2026.
History. Here's a snapshot of a few statistics we calculated on the whole sample: degree days hit a trough of 0.0 degrees Fahrenheit on 1 January 1981; they peaked at 25.0 on 22 July 2011; they averaged 3.4.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-03-28 | 0.0 |
| 2026-03-29 | 0.0 |
| 2026-03-30 | 0.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Maryland (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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