| Month | CET | Anomaly | notes |
| January | 2.0 | 0.8 | |
| February | 2.9 | 2.0 | |
| March | 3.8 | 1.6 | |
| April | 4.3 | 0.4 | |
| May | 7.7 | 1.0 | |
| June | 11.3 | 1.7 | |
| July | 12.1 | 0.5 | |
| August | 12.3 | 0.9 | |
| September | 12.5 | 2.9 | |
| October | 8.6 | 1.5 | |
| November | 4.4 | 0.9 | |
| December | 4.5 | 2.6 |
Average for 2023: 7.24, anomaly: 1.39C
Daily CET graph
