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 16.0 degrees Fahrenheit on 25 March 2025, versus 25.0 on 24 March.
Sample. In the daily series displayed in the plot, there are 16,155 records overall. The series covers the time period extending from January 1981 to March 2025.
History. Here are a few statistics computed on the full sample: degree days had a mean value of 21.6 degrees Fahrenheit; they recorded their highest level of 89.0 on 24 December 1983; they hit a trough of 0.0 on 26 June 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-03-23 | 30.0 |
| 2025-03-24 | 25.0 |
| 2025-03-25 | 16.0 |
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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 |