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 21 June 2026, versus 1.0 on 20 June 2026.

Sample. There are 16,608 data points in the daily time series presented in the chart above. The series covers the time range extending from January 1981 to June 2026.

History. Here's a glimpse of a few statistics calculated on the whole sample: degree days reached their maximum of 24.0 degrees Fahrenheit on 17 August 1988; they reached their minimum of 0.0 on 1 January 1981; they were equal on average to 2.2.

Latest values

Date Value - Degrees Fahrenheit
2026-06-19 1.0
2026-06-20 1.0
2026-06-21 0.0

Suggestion. 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 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