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 5.0 degrees Fahrenheit on 21 June 2026, unchanged with respect to 20 June.
Sample. There are 16,608 records overall in the daily series presented in the figure above. The series covers the time range extending from January 1981 to June 2026.
History. Here's a snapshot of some simple statistics we calculated on the full sample: degree days had a mean value of 21.5 degrees Fahrenheit; they achieved a maximum of 89.0 on 24 December 1983; they reached a minimum of 0.0 on 26 June 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-06-19 | 7.0 |
| 2026-06-20 | 5.0 |
| 2026-06-21 | 5.0 |
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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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