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, versus 0.0 on the previous day.
Sample. There are 16,337 observations overall in the daily series displayed in the plot above. The time range covered by the series stretches from January 1981 to September 2025.
History. Here's a snapshot of a few descriptive statistics computed on the whole sample: degree days reached their lowest level of 0.0 degrees Fahrenheit on 1 January 1981; they recorded a maximum of 23.0 on 5 July 1999; they were equal on average to 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 |
Series in the same data set
Discover the other time series included in this data set.