Cooling degree days (F) - California (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In California, cooling degree days stood at 0.0 degrees Fahrenheit on 25 March 2025, the same value recorded on 24 March.
Sample. There are 16,155 observations overall in the daily series presented in the plot above. The series covers the period extending from January 1981 to March 2025.
History. Here's a peek at a few statistics calculated on the full sample: degree days had a mean value of 2.5 degrees Fahrenheit; they hit a maximum of 20.0 on 22 July 2006; they reached a trough 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 | California (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 |