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 stood at 0.0 degrees Fahrenheit on 25 March 2025, as on the previous day.
Sample. There are 16,155 observations overall in the daily time series presented in the graph above. The time range covered by the series goes from January 1981 to March 2025.
History. Here's a peek at some simple statistics calculated on the whole sample: degree days had a mean of 0.5 degrees Fahrenheit; they peaked at 14.0 on 9 August 1981; they reached their lowest level of 0.0 on 1 January 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-03-23 | 0.0 |
| 2025-03-24 | 0.0 |
| 2025-03-25 | 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 |