Freely Downloadable Data Sets Updated Daily

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

Latest updates. In Maine, heating degree days were 0.0 degrees Fahrenheit on 14 August 2026, unchanged with respect to 13 August.

Sample. There are 16,662 observations in the daily time series shown in the chart above. The time range covered by the series extends from January 1981 to August 2026.

History. Here are some summary statistics computed on the whole sample: degree days attained a maximum of 78.0 degrees Fahrenheit on 4 January 1981; they recorded a bottom of 0.0 on 26 May 1981; they were equal on average to 21.6.

Latest values

Date Value - Degrees Fahrenheit
2026-08-12 0.0
2026-08-13 0.0
2026-08-14 0.0

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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 16662 1981-01-01 2026-08-14
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Arizona (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - California (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Colorado (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Delaware (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Florida (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Georgia (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Iowa (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Idaho (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Illinois (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Indiana (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Kansas (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Maryland (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Maine (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Michigan (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Missouri (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Montana (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Nevada (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - New York (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Ohio (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Oregon (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Texas (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Utah (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Virginia (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Vermont (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Washington (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16662 1981-01-01 2026-08-14

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - California (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Florida (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Maine (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Montana (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - New York (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Texas (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Utah (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Washington (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16662 1981-01-01 2026-08-14
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16662 1981-01-01 2026-08-14