Heating degree days (F) - Connecticut (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Connecticut, heating degree days stood at 41.0 degrees Fahrenheit on 28 December 2025, compared to 43.0 on the previous day.
Sample. There are 16,433 data points in the daily series presented in the figure above. The series covers the time period stretching from January 1981 to December 2025.
History. Here's a peek at some summary statistics we calculated on the full sample: degree days averaged 16.2 degrees Fahrenheit; they hit a trough of 0.0 on 25 May 1981; they recorded a maximum of 65.0 on 18 January 1982.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-12-26 | 44.0 |
| 2025-12-27 | 43.0 |
| 2025-12-28 | 41.0 |
Tip. We group indicators into data sets and worksheets to simplify exploration. By moving down the page, you will discover how we arranged further information linked to the statistics published here.
Not for investment purposes. Time series and other data distributed on this web site are not suitable for investment purposes or as a basis for making financial decisions. Users should ask for professional advice and perform independent analysis before making any financial commitments.
Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Connecticut (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.