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 were 0.0 degrees Fahrenheit on 21 June 2026, the same value recorded on 20 June 2026.
Sample. This daily series has 16,608 data points overall. The series covers the period stretching from January 1981 to June 2026.
History. Check out a few descriptive statistics we computed on the entire sample: degree days had an average value of 16.2 degrees Fahrenheit; they recorded a maximum of 65.0 on 18 January 1982; they hit a trough of 0.0 on 25 May 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-06-19 | 0.0 |
| 2026-06-20 | 0.0 |
| 2026-06-21 | 0.0 |
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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 |
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