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Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily

Latest updates. In the United States (excluding Alaska and Hawaii), heating degree days were 1.0 degrees Fahrenheit on 21 June 2026, compared to 0.0 on 20 June 2026.

Sample. There are 16,608 data points overall in the daily time series displayed in the plot above. The series covers the time period extending from January 1981 to June 2026.

History. Take a look at some statistics computed on the full sample: degree days reached their minimum of 0.0 degrees Fahrenheit on 29 May 1981; they reached their maximum of 51.0 on 25 December 1983; they had a mean value of 11.6.

Latest values

Date Value - Degrees Fahrenheit
2026-06-19 0.0
2026-06-20 0.0
2026-06-21 1.0

Hint. To make our users' life easier, we categorize time series into worksheets and datasets. By scrolling down, you will discover how we structured further information related to the statistics found here.

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Series Metadata

Field Value
Description Heating degree days
Country United States (excluding Alaska and Hawaii)
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.

Heating degree days

Series Name Observations Start Date End Date
Heating degree days (F) - Alabama (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Arizona (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - California (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Colorado (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Delaware (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Florida (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Georgia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Iowa (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Idaho (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Illinois (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Indiana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Kansas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Maryland (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Maine (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Michigan (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Missouri (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Montana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Nevada (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - New York (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Ohio (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Oregon (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Texas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Utah (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Virginia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Vermont (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Washington (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16608 1981-01-01 2026-06-21

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - California (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Florida (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Maine (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Montana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - New York (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Texas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Utah (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Washington (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16608 1981-01-01 2026-06-21