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 10.0 degrees Fahrenheit on 14 May 2026, compared to 11.0 on the previous day.
Sample. This daily time series has 16,570 records overall. The series covers the period stretching from January 1981 to May 2026.
History. Check out a few simple statistics we computed on the whole sample: degree days recorded their highest level of 65.0 degrees Fahrenheit on 18 January 1982; they reached a minimum of 0.0 on 25 May 1981; they had a mean value of 16.3.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 14.0 |
| 2026-05-13 | 11.0 |
| 2026-05-14 | 10.0 |
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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
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