Cooling degree days (F) - Delaware (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Delaware, cooling degree days stood at 0.0 degrees Fahrenheit on 13 November 2025, unchanged with respect to 12 November.
Sample. There are 16,388 records overall in the daily series displayed in the plot above. The series covers the time span stretching from January 1981 to November 2025.
History. Check out a few simple statistics we calculated on the full sample: degree days had a mean of 3.3 degrees Fahrenheit; they reached a trough of 0.0 on 1 January 1981; they reached their maximum of 25.0 on 22 July 2011.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 0.0 |
| 2025-11-12 | 0.0 |
| 2025-11-13 | 0.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Delaware (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 |