Cooling degree days (F) - Washington (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Washington, cooling degree days were 0.0 degrees Fahrenheit on 13 November 2025, unchanged with respect to 12 November 2025.
Sample. This daily time series has a total of 16,388 data points. The period covered by the series goes from January 1981 to November 2025.
History. Here are some statistics we computed on the full sample: degree days reached a minimum of 0.0 degrees Fahrenheit on 1 January 1981; they hit a maximum of 14.0 on 9 August 1981; they averaged 0.5.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 0.0 |
| 2025-11-12 | 0.0 |
| 2025-11-13 | 0.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Washington (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 |