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 21 June 2026, compared to 6.0 on 20 June.
Sample. There are 16,608 observations in the daily series shown in the plot above. The series covers the time span extending from January 1981 to June 2026.
History. Here’s a quick look at some statistics calculated on the whole sample: degree days hit a trough of 0.0 degrees Fahrenheit on 1 January 1981; they achieved a maximum of 23.0 on 5 July 1999; they had an average value of 2.4.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-06-19 | 9.0 |
| 2026-06-20 | 6.0 |
| 2026-06-21 | 5.0 |
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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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