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Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily

Latest updates. In Pennsylvania, cooling degree days stood at 3.0 degrees Fahrenheit on 23 September 2025, compared to 2.0 on 22 September.

Sample. There are 16,337 data points in the daily time series shown in the plot above. The series covers the time range going from January 1981 to September 2025.

History. Take a look at some simple statistics computed on the whole sample: degree days recorded a minimum of 0.0 degrees Fahrenheit on 1 January 1981; they recorded their highest level of 22.0 on 22 July 2011; they had an average value of 2.1.

Latest values

Date Value - Degrees Fahrenheit
2025-09-21 1.0
2025-09-22 2.0
2025-09-23 3.0

Nugget of wisdom. We group series into data sets and worksheets for our users' convenience. If you look below, you will discover how we arranged further information linked to the statistics published here.

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Series Metadata

Field Value
Description Cooling degree days
Country Pennsylvania (US)
Economic concept Cooling 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 (max_daily_temperature + min_daily_temperature) / 2 - 65F

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