Freely Downloadable Data Sets Updated Daily

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

Latest updates. In Maine, heating degree days were 29.0 degrees Fahrenheit on 12 November 2026, versus 24.0 on the previous day.

Sample. There are 16,752 data points overall in the daily time series presented in the graph above. The series covers the span of time stretching from January 1981 to November 2026.

History. Check out some statistics calculated on the whole sample: degree days had a mean of 21.5 degrees Fahrenheit; they recorded their maximum of 78.0 degrees Fahrenheit on 4 January 1981; they registered a minimum of 0.0 degrees Fahrenheit on 26 May 1981.

Latest values

Date Value - Degrees Fahrenheit
2026-11-10 25.0000
2026-11-11 24.0000
2026-11-12 29.0000

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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 16752 1981-01-01 2026-11-12
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Arizona (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - California (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Colorado (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Delaware (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Florida (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Georgia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Iowa (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Idaho (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Illinois (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Indiana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Kansas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Maryland (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Maine (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Michigan (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Missouri (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Montana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Nevada (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - New York (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Ohio (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Oregon (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Texas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Utah (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Virginia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Vermont (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Washington (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16752 1981-01-01 2026-11-12

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - California (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Florida (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Maine (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Montana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - New York (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Texas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Utah (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Washington (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16752 1981-01-01 2026-11-12