Cooling 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, cooling degree days were 3.0 degrees Fahrenheit on 23 September 2025, compared to 2.0 on the previous day.
Sample. There are 16,337 observations in the daily time series presented in the chart above. The series covers the time span going from January 1981 to September 2025.
History. Here are a few simple statistics computed on the full sample: degree days reached their highest level of 22.0 degrees Fahrenheit on 22 July 2011; they reached their minimum of 0.0 on 1 January 1981; they had a mean value of 2.1.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 1.0 |
| 2025-09-22 | 2.0 |
| 2025-09-23 | 3.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Pennsylvania (US) |
| Economic concept | Cooling 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 | (max_daily_temperature + min_daily_temperature) / 2 - 65F |
Series in the same data set
Discover the other time series included in this data set.