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 were 0.0 degrees Fahrenheit on 12 February 2026, as on the previous day.
Sample. There are 16,479 observations in the daily time series displayed in the chart above. The time span covered by the series extends from January 1981 to February 2026.
History. Here’s a quick look at some summary statistics we calculated on the full sample: degree days averaged 0.6 degrees Fahrenheit; they reached a minimum of 0.0 on 1 January 1981; they recorded their highest level of 16.0 on 14 July 2002.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-02-10 | 0.0 |
| 2026-02-11 | 0.0 |
| 2026-02-12 | 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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