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 0.0 degrees Fahrenheit on 17 September 2026, compared to 3.0 on 16 September.
Sample. There are 16,696 records in the daily series presented in the chart above. The series covers the time period stretching from January 1981 to September 2026.
History. Take a look at a few summary statistics calculated on the whole sample: degree days had a mean of 16.2 degrees Fahrenheit; they peaked at 65.0 on 18 January 1982; they recorded a minimum of 0.0 on 25 May 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-15 | 7.00000 |
| 2026-09-16 | 3.00000 |
| 2026-09-17 | 0 |
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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.