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 stood at 0.0 degrees Fahrenheit on 23 September 2025, the same value recorded on 22 September 2025.
Sample. In this daily series, there are a total of 16,337 observations. The period covered by the series stretches from January 1981 to September 2025.
History. Have a look at some summary statistics computed on the full sample: degree days were equal on average to 18.5 degrees Fahrenheit; they reached their lowest level of 0.0 on 3 April 1981; they recorded their maximum of 85.0 on 3 February 1996.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 0.0 |
| 2025-09-22 | 0.0 |
| 2025-09-23 | 0.0 |
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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 |
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