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 2.0 degrees Fahrenheit on 23 September 2025, compared to 6.0 on 22 September.
Sample. There are 16,337 data points in the daily time series shown in the chart above. The series covers the time span extending from January 1981 to September 2025.
History. Have a look at some statistics computed on the whole sample: degree days reached a maximum of 24.0 degrees Fahrenheit on 17 August 1988; they reached their lowest level of 0.0 on 1 January 1981; they had a mean value of 2.2.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 3.0 |
| 2025-09-22 | 6.0 |
| 2025-09-23 | 2.0 |
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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.