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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 stood at 8.0 degrees Fahrenheit on 30 March 2026, versus 14.0 on the previous day.

Sample. There are 16,525 observations in the daily time series displayed in the chart above. The series covers the period extending from January 1981 to March 2026.

History. Have a look at a few descriptive statistics calculated on the full sample: degree days reached a maximum of 51.0 degrees Fahrenheit on 25 December 1983; they reached a minimum of 0.0 on 29 May 1981; they had a mean value of 11.7.

Latest values

Date Value - Degrees Fahrenheit
2026-03-28 17.0
2026-03-29 14.0
2026-03-30 8.0

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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 16525 1981-01-01 2026-03-30
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Arizona (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - California (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Colorado (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Delaware (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Florida (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Georgia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Iowa (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Idaho (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Illinois (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Indiana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Kansas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Maryland (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Maine (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Michigan (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Missouri (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Montana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Nevada (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - New York (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Ohio (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Oregon (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Texas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Utah (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Virginia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Vermont (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Washington (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16525 1981-01-01 2026-03-30

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - California (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Florida (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Maine (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Montana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - New York (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Texas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Utah (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Washington (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16525 1981-01-01 2026-03-30