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 stood at 27.0 degrees Fahrenheit on 30 March 2026, versus 23.0 on 29 March.
Sample. There are 16,525 observations in the daily series shown in the plot above. The series covers the period going from January 1981 to March 2026.
History. Have a look at some summary statistics computed on the entire sample: degree days had an average value of 21.5 degrees Fahrenheit; they hit a maximum of 89.0 on 24 December 1983; they reached their lowest level of 0.0 on 26 June 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-03-28 | 25.0 |
| 2026-03-29 | 23.0 |
| 2026-03-30 | 27.0 |
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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
Discover the other time series included in this data set.