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 were 12.0 degrees Fahrenheit on 14 May 2026, versus 4.0 on 13 May.
Sample. This daily time series has 16,570 data points in total. The time period covered by the series stretches from January 1981 to May 2026.
History. Here’s a quick look at some summary statistics calculated on the entire sample: degree days had an average value of 18.6 degrees Fahrenheit; they reached their minimum of 0.0 on 26 June 1981; they reached their highest level of 78.0 on 22 December 1990.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 2.0 |
| 2026-05-13 | 4.0 |
| 2026-05-14 | 12.0 |
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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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