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 12 February 2026, as on 11 February 2026.
Sample. In this daily time series, there are 16,479 data points in total. The series covers the time range extending from January 1981 to February 2026.
History. Here's a glimpse of some descriptive statistics calculated on the entire sample: degree days averaged 0.5 degrees Fahrenheit; they hit a trough of 0.0 on 1 January 1981; they reached their maximum of 14.0 on 9 August 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-02-10 | 0.0 |
| 2026-02-11 | 0.0 |
| 2026-02-12 | 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 |
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