Freely Downloadable Data Sets Updated Daily

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

Latest updates. In Iowa, cooling degree days were 0.0 degrees Fahrenheit on 28 December 2025, the same value recorded on 27 December.

Sample. There are 16,433 data points overall in the daily time series shown in the plot above. The series covers the time range extending from January 1981 to December 2025.

History. Here are some summary statistics calculated on the whole sample: degree days reached their maximum of 24.0 degrees Fahrenheit on 17 August 1988; they recorded a bottom of 0.0 on 1 January 1981; they had a mean of 2.2.

Latest values

Date Value - Degrees Fahrenheit
2025-12-26 0.0
2025-12-27 0.0
2025-12-28 0.0

Nugget of wisdom. To simplify exploration, we organize time series into worksheets and datasets. By moving down the page, you will find how we structured further information linked to the statistics provided here.

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Series Metadata

Field Value
Description Cooling degree days
Country Iowa (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 16433 1981-01-01 2025-12-28
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Arizona (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - California (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Colorado (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Delaware (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Florida (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Georgia (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Iowa (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Idaho (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Illinois (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Indiana (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Kansas (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Maryland (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Maine (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Michigan (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Missouri (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Montana (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Nevada (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - New York (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Ohio (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Oregon (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Texas (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Utah (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Virginia (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Vermont (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Washington (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16433 1981-01-01 2025-12-28

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - California (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Florida (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Maine (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Montana (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - New York (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Texas (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Utah (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Washington (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16433 1981-01-01 2025-12-28
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16433 1981-01-01 2025-12-28