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 14 May 2026, as on the previous day.
Sample. There are 16,570 data points overall in the daily series presented in the graph above. The series covers the time period extending from January 1981 to May 2026.
History. Take a look at some descriptive statistics we calculated on the entire sample: degree days had a mean of 2.2 degrees Fahrenheit; they hit a trough of 0.0 on 1 January 1981; they achieved a maximum of 24.0 on 17 August 1988.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 0.0 |
| 2026-05-13 | 0.0 |
| 2026-05-14 | 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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