Heating 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, heating degree days were 14.0 degrees Fahrenheit on 12 February 2026, the same as on 11 February 2026.
Sample. There are 16,479 records overall in the daily series shown in the figure above. The time period covered by the series is from January 1981 to February 2026.
History. Take a look at a few descriptive statistics calculated on the whole sample: degree days averaged 6.9 degrees Fahrenheit; they peaked at 36.0 on 22 December 1990; they registered a minimum of 0.0 on 29 April 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-02-10 | 13.0 |
| 2026-02-11 | 14.0 |
| 2026-02-12 | 14.0 |
Tip. Our metadata often contain references to the original sources of the data series we publish. You can use these references to find additional information.
Not for investment purposes. Data and analyses shared on this web site are not not supposed to be used for investment purposes or any other financial decision. Users should consult professional advice and perform their own independent due diligence before making any financial commitments.
Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | California (US) |
| Economic concept | Heating 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 | 65F - (max_daily_temperature + min_daily_temperature) / 2 |
Series in the same data set
Discover the other time series included in this data set.