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 1.0 degrees Fahrenheit on 17 September 2026, the same value recorded on 16 September.
Sample. The daily time series presented in the graph has 16,696 data points. The period covered by the series stretches from January 1981 to September 2026.
History. Take a look at some descriptive statistics calculated on the whole sample: degree days registered a minimum of 0.0 degrees Fahrenheit on 23 May 1981; they recorded their highest level of 76.0 on 19 January 1994; they averaged 18.3.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-15 | 2.00000 |
| 2026-09-16 | 1.00000 |
| 2026-09-17 | 1.00000 |
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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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