Cooling 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, cooling degree days were 3.0 degrees Fahrenheit on 17 September 2026, compared to 1.0 on the previous day.
Sample. There are 16,696 observations in the daily series shown in the figure above. The series covers the time range extending from January 1981 to September 2026.
History. Here's a peek at some simple statistics computed on the full sample: degree days hit a peak of 24.0 degrees Fahrenheit on 17 August 1988; they recorded a bottom of 0.0 on 1 January 1981; they averaged 2.2.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-15 | 1.00000 |
| 2026-09-16 | 1.00000 |
| 2026-09-17 | 3.00000 |
Suggestion. 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.
Not for investment purposes. Time series and other data provided on this web site are not meant for investment purposes or as a basis for financial-decision making. Users should consult expert advice and perform their own independent due diligence before pledging money to any investment.
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.