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 14 May 2026, the same as on 13 May 2026.
Sample. In this daily time series, there are 16,570 data points. The series covers the time range going from January 1981 to May 2026.
History. Here’s a quick look at a few descriptive statistics we computed on the full sample: degree days reached their minimum of 0.0 degrees Fahrenheit on 1 January 1981; they reached their maximum of 16.0 on 14 July 2002; they had an average value of 0.6.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-05-12 | 0.0 |
| 2026-05-13 | 0.0 |
| 2026-05-14 | 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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