Cooling 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, cooling degree days stood at 0.0 degrees Fahrenheit on 28 December 2025, the same value recorded on 27 December.
Sample. This daily time series has 16,433 records in total. The time span covered by the series stretches from January 1981 to December 2025.
History. Take a look at some simple statistics calculated on the whole sample: degree days hit a maximum of 16.0 degrees Fahrenheit on 14 July 2002; they hit a minimum of 0.0 on 1 January 1981; they were equal on average to 0.6.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-12-26 | 0.0 |
| 2025-12-27 | 0.0 |
| 2025-12-28 | 0.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | Montana (US) |
| Economic concept | Cooling 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 | (max_daily_temperature + min_daily_temperature) / 2 - 65F |
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