Temperatuur — 1998
| Month | Rijkevorsel | Merksplas | Difference |
|---|---|---|---|
| Jan | 4.5 °C | 4.4 °C | +0.1 |
| Feb | 5.9 °C | 5.9 °C | +0.0 |
| Mar | 7.3 °C | 7.2 °C | +0.1 |
| Apr | 9.2 °C | 9.1 °C | +0.1 |
| May | 15 °C | 14.9 °C | +0.1 |
| Jun | 15.9 °C | 15.8 °C | +0.1 |
| Jul | 16.4 °C | 16.3 °C | +0.1 |
| Aug |
| 17.1 °C |
| 17 °C |
| +0.1 |
| Sep | 15.1 °C | 15.1 °C | +0.0 |
| Oct | 10 °C | 10 °C | +0.0 |
| Nov | 3.7 °C | 3.6 °C | +0.1 |
| Dec | 4.5 °C | 4.5 °C | +0.0 |