Neerslag — 1999
| Mois | Merksplas | Baarle-Nassau | Différence |
|---|---|---|---|
| Jan | 83.3 mm | – | – |
| Fév | 52.2 mm | – | – |
| Mar | 68.4 mm | – | – |
| Avr | 65.7 mm | – | – |
| Mai | 72.5 mm | – | – |
| Juin | 62.9 mm | – | – |
| Juil | 45.1 mm | – | – |
| Aoû | 76.9 mm | – | – |
| Sep |
| 49.5 mm |
| – |
| – |
| Oct | 38.6 mm | – | – |
| Nov | 20.5 mm | – | – |
| Déc | 130.9 mm | – | – |