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 13 November 2025, the same value recorded on the previous day.
Sample. In this daily time series, there are 16,388 observations overall. The series covers the time range going from January 1981 to November 2025.
History. Here's a glimpse of a few simple statistics we calculated on the whole sample: degree days had a mean value of 0.6 degrees Fahrenheit; they recorded their maximum of 16.0 on 14 July 2002; they recorded a minimum of 0.0 on 1 January 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-11-11 | 0.0 |
| 2025-11-12 | 0.0 |
| 2025-11-13 | 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 |