Heating degree days (F) - Montana (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Montana, heating degree days were 33.0 degrees Fahrenheit on 12 February 2026, compared to 35.0 on 11 February 2026.
Sample. The daily series shown in the graph has 16,479 data points in total. The series covers the time range stretching from January 1981 to February 2026.
History. Here's a snapshot of a few descriptive statistics calculated on the whole sample: degree days had an average value of 21.5 degrees Fahrenheit; they hit a trough of 0.0 on 26 June 1981; they hit a peak of 89.0 on 24 December 1983.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-02-10 | 33.0 |
| 2026-02-11 | 35.0 |
| 2026-02-12 | 33.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Montana (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 |
Series in the same data set
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