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 0.0 degrees Fahrenheit on 23 September 2025, compared to 1.0 on 22 September 2025.
Sample. In the daily series plotted above, there are 16,337 observations. The series covers the period stretching from January 1981 to September 2025.
History. Here are a few descriptive statistics we calculated on the full sample: degree days had a mean value of 15.4 degrees Fahrenheit; they hit a maximum of 69.0 on 19 January 1994; they hit a trough of 0.0 on 25 May 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 2.0 |
| 2025-09-22 | 1.0 |
| 2025-09-23 | 0.0 |
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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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