Heating degree days (F) - Iowa (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Iowa, heating degree days were 18.0 degrees Fahrenheit on 13 November 2025, versus 21.0 on the previous day.
Sample. The daily time series displayed in the figure has 16,388 records overall. The time range covered by the series is from January 1981 to November 2025.
History. Take a look at a few descriptive statistics calculated on the entire sample: degree days had an average value of 18.5 degrees Fahrenheit; they reached a minimum of 0.0 on 3 April 1981; they recorded their maximum of 85.0 on 3 February 1996.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 29.0 |
| 2025-11-12 | 21.0 |
| 2025-11-13 | 18.0 |
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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 |