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 6.0 degrees Fahrenheit on 21 June 2026, as on 20 June.
Sample. There are 16,608 data points in the daily time series presented in the plot above. The series covers the time period going from January 1981 to June 2026.
History. Take a look at some simple statistics we calculated on the full sample: degree days hit a maximum of 17.0 degrees Fahrenheit on 22 July 2011; they registered a minimum of 0.0 on 1 January 1981; they had an average value of 3.6.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-06-19 | 7.0 |
| 2026-06-20 | 6.0 |
| 2026-06-21 | 6.0 |
Suggestion. 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 |
Series in the same data set
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