Heating degree days (F) - Michigan (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Michigan, heating degree days were 5.0 degrees Fahrenheit on 28 September 2026, compared to 7.0 on the previous day.
Sample. There are 16,707 records overall in the daily series presented in the graph above. The series covers the period extending from January 1981 to September 2026.
History. Here’s a quick look at a few simple statistics computed on the full sample: degree days had a mean value of 18.3 degrees Fahrenheit; they reached their lowest level of 0.0 on 23 May 1981; they recorded their maximum of 76.0 on 19 January 1994.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-26 | 9.0 |
| 2026-09-27 | 7.0 |
| 2026-09-28 | 5.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Michigan (US) |
| Economic concept | Heating 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 | 65F - (max_daily_temperature + min_daily_temperature) / 2 |
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