| Month | CET | Anomaly | notes |
| January | 1.3 | 0.2 | |
| February | 2.4 | 1.5 | |
| March | 4.5 | 2.3 | |
| April | 4.3 | 0.4 | |
| May | 6.4 | -0.3 | |
| June | 10.0 | 0.4 | |
| July | 12.8 | 1.2 | |
| August | 12.7 | 1.3 | |
| September | 10.1 | 0.5 | |
| October | 6.6 | -0.5 | |
| November | 3.5 | 0.0 | |
| December | 3.0 | 1.1 |
Average for 2019: 6.51, anomaly: 0.67C
Daily CET graph
