| Month | CET | Anomaly | notes |
| January | 8.4 | 2.0 | |
| February | 10.0 | 3.4 | |
| March | 10.2 | 1.1 | |
| April | 13.0 | 1.2 | |
| May | 17.3 | 1.7 | |
| June | 22.6 | 4.1 | |
| July | 20.1 | -0.2 | |
| August | 20.5 | 0.4 | |
| September | 21.5 | 4.0 | |
| October | 15.7 | 1.8 | |
| November | 10.3 | 1.0 | |
| December | 9.5 | 2.4 |
Average for 2023: 14.96, anomaly: 1.87C
Daily CET graph
