Freely Downloadable Data Sets Updated Daily

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

Latest updates. In Iowa, heating degree days were 26.0 degrees Fahrenheit on 12 November 2026, versus 17.0 on the previous day.

Sample. There are 16,752 observations in the daily series shown in the plot above. The series covers the time range going from January 1981 to November 2026.

History. Have a look at some simple statistics we calculated on the entire sample: degree days recorded a maximum of 85.0 degrees Fahrenheit on 3 February 1996; they hit a minimum of 0.0 degrees Fahrenheit on 3 April 1981; they had a mean value of 18.4 degrees Fahrenheit.

Latest values

Date Value - Degrees Fahrenheit
2026-11-10 16.0000
2026-11-11 17.0000
2026-11-12 26.0000

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Series Metadata

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

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 16752 1981-01-01 2026-11-12
Heating degree days (F) - Arkansas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Arizona (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - California (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Colorado (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Connecticut (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Delaware (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Florida (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Georgia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Iowa (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Idaho (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Illinois (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Indiana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Kansas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Kentucky (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Louisiana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Massachusetts (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Maryland (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Maine (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Michigan (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Minnesota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Missouri (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Mississippi (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Montana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - North Carolina (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - North Dakota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Nebraska (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - New Hampshire (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - New Jersey (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - New Mexico (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Nevada (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - New York (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Ohio (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Oklahoma (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Oregon (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Pennsylvania (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - RhodeIsland (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - South Carolina (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - South Dakota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Tennessee (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Texas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Utah (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Virginia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Vermont (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Washington (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Wisconsin (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - WestVirginia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - Wyoming (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Heating degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16752 1981-01-01 2026-11-12

Cooling degree days

Series Name Observations Start Date End Date
Cooling degree days (F) - Alabama (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Arkansas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Arizona (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - California (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Colorado (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Connecticut (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Delaware (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Florida (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Georgia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Iowa (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Idaho (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Illinois (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Indiana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Kansas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Kentucky (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Louisiana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Massachusetts (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Maryland (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Maine (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Michigan (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Minnesota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Missouri (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Mississippi (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Montana (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - North Carolina (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - North Dakota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Nebraska (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - New Hampshire (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - New Jersey (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - New Mexico (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Nevada (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - New York (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Ohio (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Oklahoma (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Oregon (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Pennsylvania (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - RhodeIsland (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - South Carolina (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - South Dakota (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Tennessee (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Texas (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Utah (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Virginia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Vermont (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Washington (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Wisconsin (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - WestVirginia (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - Wyoming (US) - NOAA - Daily 16752 1981-01-01 2026-11-12
Cooling degree days (F) - United States (excluding Alaska and Hawaii) - NOAA - Daily 16752 1981-01-01 2026-11-12