Heating 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, heating degree days were 31.0 degrees Fahrenheit on 12 February 2026, versus 29.0 on 11 February 2026.
Sample. This daily time series has 16,479 data points. The series covers the span of time stretching from January 1981 to February 2026.
History. Have a look at a few descriptive statistics calculated on the whole sample: degree days recorded their highest level of 62.0 degrees Fahrenheit on 21 January 1985; they recorded a bottom of 0.0 on 4 April 1981; they had a mean of 12.3.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-02-10 | 38.0 |
| 2026-02-11 | 29.0 |
| 2026-02-12 | 31.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Delaware (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
Discover the other time series included in this data set.