Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In the United States (excluding Alaska and Hawaii), cooling degree days were 0.0 degrees Fahrenheit on 13 November 2025, the same value recorded on 12 November 2025.
Sample. There are 16,388 data points overall in the daily time series shown in the plot above. The series covers the period stretching from January 1981 to November 2025.
History. Have a look at a few summary statistics computed on the whole sample: degree days attained a maximum of 17.0 degrees Fahrenheit on 22 July 2011; they reached their lowest level of 0.0 on 1 January 1981; they had a mean value of 3.6.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 0.0 |
| 2025-11-12 | 0.0 |
| 2025-11-13 | 0.0 |
Tip. To simplify exploration, we group time series into data sets and worksheets. By moving down the page, you will find how we structured further information linked to the statistics found here.
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | United States (excluding Alaska and Hawaii) |
| 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 |