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 21 June 2026, the same value recorded on 20 June 2026.
Sample. This daily series has 16,608 records. The series covers the period extending from January 1981 to June 2026.
History. Here’s a quick look at a few simple statistics we computed on the entire sample: degree days hit a minimum of 0.0 degrees Fahrenheit on 1 January 1981; they recorded a maximum of 16.0 on 14 July 2002; they had a mean of 0.6.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-06-19 | 0.0 |
| 2026-06-20 | 0.0 |
| 2026-06-21 | 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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