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Cooling degree days (F) - Connecticut (US) - NOAA - Daily

Latest updates. In Connecticut, cooling degree days were 0.0 degrees Fahrenheit on 23 September 2025, the same value recorded on 22 September.

Sample. There are 16,337 records in the daily time series displayed in the chart above. The series covers the time range going from January 1981 to September 2025.

History. Here are a few simple statistics we computed on the entire sample: degree days reached a minimum of 0.0 degrees Fahrenheit on 1 January 1981; they hit a maximum of 22.0 on 22 July 2011; they averaged 1.8.

Latest values

Date Value - Degrees Fahrenheit
2025-09-21 0.0
2025-09-22 0.0
2025-09-23 0.0

Nugget of wisdom. We categorize indicators into worksheets and datasets to make our users' life easier. When you navigate further down, you will find how we arranged further information related to the statistics provided here.

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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

Series in the same data set

Discover the other time series included in this data set.

Heating degree days

Series Name Observations Start Date End Date
Heating degree days (F) - Alabama (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Arizona (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - California (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Colorado (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Delaware (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Florida (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Georgia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Iowa (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Idaho (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Illinois (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Indiana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Kansas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Maryland (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Maine (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Michigan (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Missouri (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Montana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Nevada (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - New York (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Ohio (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Oregon (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Texas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Utah (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Virginia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Vermont (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Washington (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16337 1981-01-01 2025-09-23

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - California (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Florida (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Maine (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Montana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - New York (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Texas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Utah (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Washington (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16337 1981-01-01 2025-09-23