| Month | CET | Anomaly | notes |
| January | 2.0 | 0.9 | |
| February | 3.0 | 2.0 | |
| March | 3.9 | 1.7 | |
| April | 4.5 | 0.6 | |
| May | 7.8 | 1.1 | |
| June | 11.4 | 1.8 | |
| July | 12.1 | 0.6 | |
| August | 12.3 | 0.9 | |
| September | 12.5 | 2.9 | |
| October | 8.7 | 1.6 | |
| November | 4.4 | 0.9 | |
| December | 4.6 | 2.7 |
Average for 2023: 7.3, anomaly: 1.46C
Daily CET graph
