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 18.0 degrees Fahrenheit on 30 March 2026, compared to 29.0 on 29 March.
Sample. There are 16,525 observations in the daily time series shown in the figure above. The period covered by the series goes from January 1981 to March 2026.
History. Take a look at a few summary statistics we computed on the whole sample: degree days hit a minimum of 0.0 degrees Fahrenheit on 25 May 1981; they reached their highest level of 65.0 on 18 January 1982; they had an average value of 16.3.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-03-28 | 32.0 |
| 2026-03-29 | 29.0 |
| 2026-03-30 | 18.0 |
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.
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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.