Heating degree days (F) - Idaho (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Idaho, heating degree days stood at 41.0 degrees Fahrenheit on 28 December 2025, versus 33.0 on 27 December.
Sample. This daily time series has 16,433 records overall. The time period covered by the series extends from January 1981 to December 2025.
History. Here’s a quick look at a few statistics computed on the whole sample: degree days had a mean value of 18.6 degrees Fahrenheit; they attained a maximum of 78.0 on 22 December 1990; they hit a trough of 0.0 on 26 June 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-12-26 | 26.0 |
| 2025-12-27 | 33.0 |
| 2025-12-28 | 41.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Idaho (US) |
| Economic concept | Heating 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 | 65F - (max_daily_temperature + min_daily_temperature) / 2 |
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