Freely Downloadable Data Sets Updated Daily

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

Latest updates. In Maryland, heating degree days were 0.0 degrees Fahrenheit on 23 September 2025, unchanged with respect to the previous day.

Sample. There are 16,337 data points overall in the daily time series presented in the graph above. The series covers the period stretching from January 1981 to September 2025.

History. Here's a snapshot of some simple statistics calculated on the full sample: degree days had a mean value of 12.3 degrees Fahrenheit; they hit a maximum of 66.0 on 19 January 1994; they recorded a bottom of 0.0 on 4 April 1981.

Latest values

Date Value - Degrees Fahrenheit
2025-09-21 0.0
2025-09-22 0.0
2025-09-23 0.0

Nugget of wisdom. To simplify complex analyses, we group series into worksheets and datasets. By scrolling down, you will discover how we arranged further information linked to the statistics provided here.

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Series Metadata

Field Value
Description Heating degree days
Country Maryland (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 16337 1981-01-01 2025-09-23
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Arizona (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - California (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Colorado (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Delaware (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Florida (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Georgia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Iowa (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Idaho (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Illinois (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Indiana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Kansas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Maryland (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Maine (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Michigan (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Missouri (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Montana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Nevada (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - New York (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Ohio (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Oregon (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Texas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Utah (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Virginia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Vermont (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Washington (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16337 1981-01-01 2025-09-23

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - California (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Florida (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Maine (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Montana (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - New York (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Texas (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Utah (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Washington (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16337 1981-01-01 2025-09-23
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16337 1981-01-01 2025-09-23