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 0.0 degrees Fahrenheit on 28 December 2025, the same value recorded on 27 December.
Sample. There are 16,433 data points overall in the daily time series shown in the plot above. The series covers the time range extending from January 1981 to December 2025.
History. Here are some summary statistics calculated on the whole sample: degree days reached their maximum of 24.0 degrees Fahrenheit on 17 August 1988; they recorded a bottom of 0.0 on 1 January 1981; they had a mean of 2.2.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-12-26 | 0.0 |
| 2025-12-27 | 0.0 |
| 2025-12-28 | 0.0 |
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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 |
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