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.
Sample. This daily series has 16,337 records overall. The period covered by the series goes from January 1981 to September 2025.
History. Here’s a quick look at some simple statistics we calculated on the entire sample: degree days attained a maximum of 69.0 degrees Fahrenheit on 19 January 1994; they hit a minimum of 0.0 on 25 May 1981; they had a mean value of 15.4.
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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