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 were 8.0 degrees Fahrenheit on 21 June 2026, compared to 7.0 on 20 June.
Sample. There are 16,608 records in the daily series shown in the figure above. The time span covered by the series extends from January 1981 to June 2026.
History. Check out some statistics calculated on the full sample: degree days averaged 3.3 degrees Fahrenheit; they peaked at 25.0 on 22 July 2011; they reached their lowest level of 0.0 on 1 January 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-06-19 | 10.0 |
| 2026-06-20 | 7.0 |
| 2026-06-21 | 8.0 |
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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 |
Series in the same data set
Discover the other time series included in this data set.