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 stood at 13.0 degrees Fahrenheit on 14 May 2026, compared to 9.0 on 13 May 2026.
Sample. There are 16,570 records in the daily series displayed in the plot above. The period covered by the series is from January 1981 to May 2026.
History. Here's a peek at some summary statistics we calculated on the whole sample: degree days averaged 15.6 degrees Fahrenheit; they reached their lowest level of 0.0 on 25 May 1981; they recorded their maximum of 69.0 on 19 January 1994.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 14.0 |
| 2026-05-13 | 9.0 |
| 2026-05-14 | 13.0 |
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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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