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 3.0 degrees Fahrenheit on 17 September 2026, compared to 6.0 on 16 September 2026.
Sample. In this daily time series, there are 16,696 records overall. The span of time covered by the series is from January 1981 to September 2026.
History. Here's a snapshot of some statistics calculated on the whole sample: degree days reached a trough of 0.0 degrees Fahrenheit on 26 June 1981; they reached their maximum of 78.0 on 22 December 1990; they averaged 18.5.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-15 | 10.0000 |
| 2026-09-16 | 6.00000 |
| 2026-09-17 | 3.00000 |
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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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