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 30 March 2026, the same value recorded on the previous day.

Sample. In the daily series plotted above, there are 16,525 records in total. The period covered by the series stretches from January 1981 to March 2026.

History. Here’s a quick look at some descriptive statistics we computed on the whole sample: degree days had a mean value of 2.2 degrees Fahrenheit; they hit a peak of 24.0 on 17 August 1988; they reached their lowest level of 0.0 on 1 January 1981.

Latest values

Date Value - Degrees Fahrenheit
2026-03-28 0.0
2026-03-29 0.0
2026-03-30 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 16525 1981-01-01 2026-03-30
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Arizona (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - California (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Colorado (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Delaware (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Florida (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Georgia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Iowa (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Idaho (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Illinois (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Indiana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Kansas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Maryland (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Maine (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Michigan (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Missouri (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Montana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Nevada (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - New York (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Ohio (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Oregon (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Texas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Utah (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Virginia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Vermont (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Washington (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16525 1981-01-01 2026-03-30

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - California (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Florida (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Maine (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Montana (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - New York (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Texas (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Utah (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Washington (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16525 1981-01-01 2026-03-30
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16525 1981-01-01 2026-03-30