Cooling 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, cooling degree days were 0.0 degrees Fahrenheit on 12 November 2026, the same as on the previous day.
Sample. There are 16,752 observations overall in the daily time series shown in the graph above. The time period covered by the series extends from January 1981 to November 2026.
History. Here’s a quick look at some statistics calculated on the entire sample: degree days recorded their maximum of 22.0 degrees Fahrenheit on 22 July 2011; they hit a minimum of 0.0 degrees Fahrenheit on 1 January 1981; they averaged 1.8 degrees Fahrenheit.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-11-10 | 0 |
| 2026-11-11 | 0 |
| 2026-11-12 | 0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Connecticut (US) |
| Economic concept | Cooling 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 | (max_daily_temperature + min_daily_temperature) / 2 - 65F |
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