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 were 0.0 degrees Fahrenheit on 12 February 2026, as on 11 February 2026.
Sample. The daily series shown in the plot has 16,479 data points. The time range covered by the series stretches from January 1981 to February 2026.
History. Here’s a quick look at some summary statistics calculated on the whole sample: degree days were equal on average to 2.5 degrees Fahrenheit; they peaked at 20.0 on 22 July 2006; they registered a minimum of 0.0 on 1 January 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 | 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 |
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Discover the other time series included in this data set.