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 0.0 degrees Fahrenheit on 17 September 2026, unchanged with respect to 16 September.
Sample. There are 16,696 records overall in the daily time series shown in the figure above. The period covered by the series stretches from January 1981 to September 2026.
History. Have a look at some summary statistics we computed on the whole sample: degree days had an average value of 12.3 degrees Fahrenheit; they reached a maximum of 62.0 on 21 January 1985; they hit a minimum of 0.0 on 4 April 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-15 | 1.00000 |
| 2026-09-16 | 0 |
| 2026-09-17 | 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.