Heating degree days (F) - New Jersey (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In New Jersey, heating degree days were 0.0 degrees Fahrenheit on 23 September 2025, versus 4.0 on 22 September.
Sample. There are 16,337 data points in the daily time series shown in the graph above. The series covers the span of time stretching from January 1981 to September 2025.
History. Here are some descriptive statistics calculated on the whole sample: degree days had a mean of 14.2 degrees Fahrenheit; they achieved a maximum of 63.0 on 21 January 1985; they hit a trough of 0.0 on 15 May 1981.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 2.0 |
| 2025-09-22 | 4.0 |
| 2025-09-23 | 0.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | New Jersey (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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