Freely Downloadable Data Sets Updated Daily

Heating degree days (F) - Maine (US) - NOAA - Daily

Latest updates. In Maine, heating degree days were 37.0 degrees Fahrenheit on 12 February 2026, compared to 44.0 on 11 February 2026.

Sample. There are 16,479 observations in the daily series presented in the plot above. The time range covered by the series goes from January 1981 to February 2026.

History. Here are a few statistics computed on the full sample: degree days had a mean value of 21.6 degrees Fahrenheit; they recorded a maximum of 78.0 on 4 January 1981; they recorded a minimum of 0.0 on 26 May 1981.

Latest values

Date Value - Degrees Fahrenheit
2026-02-10 45.0
2026-02-11 44.0
2026-02-12 37.0

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Series Metadata

Field Value
Description Heating degree days
Country Maine (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

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 16479 1981-01-01 2026-02-12
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Arizona (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - California (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Colorado (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Delaware (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Florida (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Georgia (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Iowa (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Idaho (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Illinois (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Indiana (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Kansas (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Maryland (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Maine (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Michigan (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Missouri (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Montana (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Nevada (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - New York (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Ohio (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Oregon (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Texas (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Utah (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Virginia (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Vermont (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Washington (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16479 1981-01-01 2026-02-12

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - California (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Florida (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Maine (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Montana (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - New York (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Texas (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Utah (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Washington (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16479 1981-01-01 2026-02-12
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16479 1981-01-01 2026-02-12