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 13.0 degrees Fahrenheit on 14 May 2026, versus 6.0 on the previous day.
Sample. The daily time series plotted above has 16,570 records overall. The series covers the period going from January 1981 to May 2026.
History. Here's a glimpse of some descriptive statistics calculated on the full sample: degree days had an average value of 21.5 degrees Fahrenheit; they registered a minimum of 0.0 on 26 June 1981; they peaked at 89.0 on 24 December 1983.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 8.0 |
| 2026-05-13 | 6.0 |
| 2026-05-14 | 13.0 |
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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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