Daily Degree Days (18°C Base)
Report for Year 2025
Note: Data is updated after midnight each day.
| Day | Heating Degree Days | Cooling Degree Days |
|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| 1 | 17.6 | 27.5 | 25.1 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | 21.1 | 24.9 | 25.7 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 3 | 22.5 | 18.4 | 20.5 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 4 | 25.1 | 22.5 | 15.3 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 5 | 25.6 | 24.2 | 11.8 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 6 | 25.3 | 21.1 | 20.3 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 7 | 24.0 | 26.3 | 18.6 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 8 | 26.6 | 24.3 | 20.9 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 9 | 27.2 | 22.9 | 13.5 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 10 | 27.9 | 28.9 | 11.2 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 11 | 23.4 | 27.6 | 13.2 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 12 | 23.2 | 25.0 | 18.2 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 13 | 22.5 | 22.4 | 15.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 14 | 27.6 | 27.3 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 15 | 27.2 | 22.6 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 16 | 24.4 | 23.2 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 17 | 18.3 | 28.8 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 18 | 19.1 | 31.9 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 19 | 25.6 | 28.9 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 20 | 32.8 | 27.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 21 | 35.7 | 25.8 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 22 | 35.3 | 26.4 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 23 | 26.3 | 20.5 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 24 | 28.3 | 15.9 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 25 | 25.2 | 13.8 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 26 | 22.0 | 18.3 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 27 | 21.8 | 16.6 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 28 | 21.2 | 16.3 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 29 | 19.9 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 30 | 22.3 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 31 | 17.5 | | --- | | --- | | --- | --- | | --- | | --- | 0.0 | | --- | | --- | | --- | --- | | --- | | --- |
| |
| | Heating Degree Days | Cooling Degree Days |
|---|
| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| High | 35.7 | 31.9 | 25.7 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Avg | 24.6 | 23.6 | 17.6 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Low | 17.5 | 13.8 | 11.2 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.0 | 0.0 | 0.0 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| |
| Color Key |
| < 5.0 | 5.0 - 10.0 | 10.0 - 15.0 | 15.0 - 20.0 | 20.0 - 25.0 | 25.0 - 30.0 | 30.0 - 35.0 | 35.0 - 40.0 | 40.0 - 45.0 | 45.0 - 50.0 | 50.0 - 55.0 | 55.0 - 60.0 | 60.0> |
| A Degree Day is a unit of measurement equal to a difference of one degree between the mean outdoor temperature and a reference temperature (18°C). Degree Days are used in estimating the energy needs for heating or cooling a building. |
