Heating degree days (F) - Pennsylvania (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Pennsylvania, heating degree days were 29.0 degrees Fahrenheit on 28 December 2025, compared to 36.0 on 27 December 2025.
Sample. There are 16,433 data points overall in the daily series displayed in the chart above. The series covers the period stretching from January 1981 to December 2025.
History. Here's a snapshot of a few statistics we calculated on the full sample: degree days were equal on average to 15.5 degrees Fahrenheit; they peaked at 69.0 on 19 January 1994; they reached their minimum of 0.0 on 25 May 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-12-26 | 37.0 |
| 2025-12-27 | 36.0 |
| 2025-12-28 | 29.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Pennsylvania (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 |
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