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 stood at 1.0 degrees Fahrenheit on 30 March 2026, unchanged with respect to the previous day.
Sample. In the daily time series displayed in the plot, there are a total of 16,525 records. The series covers the period going from January 1981 to March 2026.
History. Here's a glimpse of a few statistics we calculated on the whole sample: degree days reached a trough of 0.0 degrees Fahrenheit on 1 January 1981; they attained a maximum of 17.0 on 22 July 2011; they were equal on average to 3.6.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-03-28 | 1.0 |
| 2026-03-29 | 1.0 |
| 2026-03-30 | 1.0 |
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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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