Cooling 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, cooling degree days were 5.0 degrees Fahrenheit on 17 September 2026, compared to 1.0 on 16 September 2026.
Sample. There are 16,696 data points in the daily series shown in the figure above. The series covers the time range stretching from January 1981 to September 2026.
History. Here's a glimpse of some statistics we calculated on the whole sample: degree days had a mean value of 2.5 degrees Fahrenheit; they reached their lowest level of 0.0 on 1 January 1981; they hit a peak of 23.0 on 5 July 1999.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-15 | 0 |
| 2026-09-16 | 1.00000 |
| 2026-09-17 | 5.00000 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Cooling degree days |
| Country | New Jersey (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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