Neerslag — 2020
| Mois | Borgloon | Herstappe | Différence |
|---|---|---|---|
| Jan | 38.8 mm | 41.4 mm | -2.6 |
| Fév | 141.5 mm | 147.3 mm | -5.8 |
| Mar | 77.4 mm | 79.7 mm | -2.3 |
| Avr | 21.2 mm | 28 mm | -6.8 |
| Mai | 18.3 mm | 18.2 mm | +0.1 |
| Juin | 79.8 mm | 82.8 mm | -3.0 |
| Juil | 55.2 mm | 53.3 mm | +1.9 |
| Aoû |
| 47 mm |
| – |
| – |
| Sep | 74.6 mm | – | – |
| Oct | 85.4 mm | – | – |
| Nov | 25.2 mm | – | – |
| Déc | 83.9 mm | – | – |