Freely Downloadable Data Sets Updated Daily

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

Latest updates. In Colorado, cooling degree days were 4.0 degrees Fahrenheit on 21 June 2026, compared to 5.0 on 20 June 2026.

Sample. There are 16,608 data points in the daily time series displayed in the plot above. The series covers the period stretching from January 1981 to June 2026.

History. Here are some summary statistics we computed on the entire sample: degree days attained a maximum of 14.0 degrees Fahrenheit on 18 July 2003; they reached their minimum of 0.0 on 1 January 1981; they had an average value of 1.0.

Latest values

Date Value - Degrees Fahrenheit
2026-06-19 1.0
2026-06-20 5.0
2026-06-21 4.0

Suggestion. We categorize time series into data sets and worksheets to make our users' life easier. By scrolling down, you will discover how we arranged further information related to the statistics found here.

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Series Metadata

Field Value
Description Cooling degree days
Country Colorado (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 16608 1981-01-01 2026-06-21
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Arizona (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - California (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Colorado (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Delaware (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Florida (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Georgia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Iowa (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Idaho (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Illinois (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Indiana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Kansas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Maryland (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Maine (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Michigan (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Missouri (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Montana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Nevada (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - New York (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Ohio (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Oregon (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Texas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Utah (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Virginia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Vermont (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Washington (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16608 1981-01-01 2026-06-21

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - California (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Florida (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Maine (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Montana (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - New York (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Texas (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Utah (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Washington (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16608 1981-01-01 2026-06-21
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16608 1981-01-01 2026-06-21