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 4.0 degrees Fahrenheit on 23 September 2025, compared to 0.0 on 22 September.
Sample. There are 16,337 data points in the daily time series displayed in the figure above. The series covers the period going from January 1981 to September 2025.
History. Here's a snapshot of some statistics we computed on the whole sample: degree days recorded a bottom of 0.0 degrees Fahrenheit on 1 January 1981; they recorded a maximum of 23.0 on 5 July 1999; they averaged 2.5.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2025-09-21 | 0.0 |
| 2025-09-22 | 0.0 |
| 2025-09-23 | 4.0 |
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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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