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 0.0 degrees Fahrenheit on 23 September 2025, the same as on 22 September.
Sample. There are 16,337 records overall in the daily series shown in the plot above. The series covers the time range going from January 1981 to September 2025.
History. Here's a peek at a few simple statistics we calculated on the full sample: degree days had a mean value of 18.5 degrees Fahrenheit; they recorded a bottom of 0.0 on 3 April 1981; they recorded a 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 |
Series in the same data set
Discover the other time series included in this data set.