Cooling degree days (F) - Arizona (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Arizona, cooling degree days stood at 13.0 degrees Fahrenheit on 23 September 2025, compared to 10.0 on 22 September 2025.
Sample. This daily time series has a total of 16,337 records. The time period covered by the series stretches from January 1981 to September 2025.
History. Here's a snapshot of some statistics computed on the full sample: degree days were equal on average to 7.9 degrees Fahrenheit; they reached their minimum of 0.0 on 1 January 1981; they recorded their highest level of 33.0 on 15 July 2003.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 13.0 |
| 2025-09-22 | 10.0 |
| 2025-09-23 | 13.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Arizona (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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